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0
Jona Mariz De Venecia
11/21/2025
Science
Science 9
1,530
•
Nov 21, 2025
•
Science 9: Introduction to Biology
Jona Mariz De Venecia
@jonadv
1 / 10
Understanding Respiration and Breathing
Your respiratory system is basically your body's air processing center, made up of all the organs that help you breathe. Respiration itself is the exchange of oxygen and carbon dioxide that happens at two levels.
External respiration occurs in your lungs where gases move between the atmosphere and your blood. Internal respiration happens when gases exchange between your body's cells and blood - pretty clever system, right?
Breathing is just the mechanical process of getting air in and out of your lungs through inhalation (breathing in) and exhalation (breathing out). Think of it as your body's built-in air pump that never stops working.
Quick Tip: Remember that respiration and breathing aren't the same thing - breathing is just moving air, while respiration is the actual gas exchange!
Key Parts of Your Respiratory System
Your nose is the main entrance for air, with nostrils separated by the septum. Inside, coarse hairs filter out dust and microorganisms - like having a natural air filter built right in.
The pharynx serves as a shared passageway for both air and food, while your tonsils act like security guards, picking up and destroying bacteria. Your larynx (voice box) contains your vocal cords and prevents food from entering your lungs.
Your trachea (windpipe) is a tough tube supported by cartilage rings that connects to your bronchi - two smaller pipes leading to each lung. These branch into tiny bronchioles that connect to alveoli, microscopic balloon-like air sacs where the real magic happens.
Fun Fact: Your alveoli are surrounded by tiny blood vessels called capillaries with super thin walls that allow gases to easily pass through!
More Respiratory System Components
Your diaphragm is the dome-shaped muscle that's basically the boss of breathing - it controls the whole process by moving up and down. Without it, you literally couldn't breathe.
The sinuses (frontal and sphenoid) help regulate the temperature and humidity of the air you breathe while producing mucus to keep your nose from drying out. Your nasal cavity filters and warms incoming air through different passages.
Your epiglottis acts like a protective flap that covers your larynx when you swallow, preventing food from going down the wrong way. The pleural cavity gives your lungs room to expand and contract during breathing.
Remember: Each part has a specific job, but they all work together to get oxygen into your bloodstream efficiently.
How Breathing Actually Works
Breathing (also called respiration) involves inhaling oxygen and exhaling carbon dioxide through two main processes. Inhalation brings air into your lungs, while exhalation pushes it out.
During inspiration, your rib cage expands as rib muscles contract, and your diaphragm moves down. This creates lower pressure in your lungs, so air rushes in to fill the space. During expiration, everything reverses - your diaphragm moves up, rib cage gets smaller, pressure increases, and air gets pushed out.
Think of it like a balloon - when you stretch it (inhalation), air flows in due to pressure differences. When you let it contract (exhalation), air flows out. Your body does this automatically about 20,000 times per day.
Cool Connection: Air quality affects how well this process works, which is why environmental health standards protect people with respiratory conditions.
How Respiratory and Circulatory Systems Team Up
Here's where things get really interesting - your respiratory and circulatory systems work together like a perfect partnership. Air enters your lungs, then moves to the left side of your heart where it gets pumped throughout your bloodstream to every cell in your body.
Your heart pumps blood that carries essential nutrients and oxygen everywhere. Once oxygen reaches your cells, it helps process nutrients to release energy. During this process, carbon dioxide is produced as waste.
The blood then carries this carbon dioxide back to the right side of your heart, which pumps it to your lungs. Finally, you exhale the carbon dioxide, completing the entire cycle.
Key Point: This partnership ensures every single cell in your body gets the oxygen it needs while removing waste - talk about teamwork!
Understanding Your Circulatory System
Your circulatory system is like a complex highway system that nourishes every cell with food and oxygen while hauling away waste products. Think of it as connecting all your cells into one big neighborhood that keeps your body alive.
The system has three main components working together. Blood is the fluid tissue made up of plasma and various blood cells that circulates through blood vessels throughout your entire body.
Blood consists of a liquid part called plasma and solid components called blood cells. This combination creates the perfect delivery system for transporting everything your cells need to survive and function properly.
Visual Tip: Imagine your circulatory system as a delivery service with highways (blood vessels), delivery trucks (blood), and packages (oxygen and nutrients)!
Blood Components - The Liquid Part
Plasma is the liquid part that carries cells and platelets, making up 50-60% of your blood. It's like the delivery truck that transports everything else around your body.
Serum is the clear, yellowish liquid portion that contains tons of useful stuff - carbon dioxide, glucose, amino acids, proteins, minerals, vitamins, hormones, and waste materials like urea. Basically, it's carrying the good stuff your cells need and the waste they want to get rid of.
This liquid component is crucial because it provides the medium for all transportation within your circulatory system. Without plasma and serum, your blood cells would have no way to travel through your body.
Think About It: Plasma is like the river that carries boats (blood cells) to their destinations throughout your body.
Blood Components - The Solid Parts
Red blood cells (erythrocytes) are amazing little biconcave discs that look round but are thinned out in the center. They can actually change shape to squeeze through tiny capillaries without breaking - pretty impressive flexibility.
These cells contain hemoglobin, a protein specifically designed to hold oxygen and carry it to cells that need it. Hemoglobin also gives red blood cells their distinctive red color. They're formed in your bone marrow, and as they mature, their nucleus disappears before entering your bloodstream.
Their main jobs are delivering oxygen to your body's tissues and cells, plus picking up unnecessary wastes and carbon dioxide from your cells. Red blood cells also contain proteins that determine your blood type through antigens on their membranes.
Amazing Fact: Your red blood cells are so flexible they can squeeze through capillaries that are smaller than their normal size!
White Blood Cells and Platelets
White blood cells (leucocytes) are your body's security team - they protect against foreign invaders, especially bacteria. Unlike red blood cells, they have nothing to do with delivering food and oxygen.
There are two main types: phagocytes that engulf foreign substances, and lymphocytes that produce antibodies to attack bacterial enemies. They come in different varieties but all serve the same basic purpose of keeping you healthy.
Platelets (thrombocytes) are the smallest blood cells, but they have a huge job. They produce tiny fibrinogen fibers that form a net to trap other blood cells, creating blood clots when you get injured.
Life-Saver Alert: Without platelets, even a small cut could be dangerous because your blood wouldn't be able to clot and stop the bleeding!
Blood Vessels - Your Body's Highway System
Blood clotting begins when a blood vessel gets injured and blood contacts surrounding tissue. Substances like calcium and proteins combine to trap red and white blood cells, forming a mesh that plugs the leak and provides foundation for healing.
Blood vessels carry blood throughout your body via three main types. Arteries carry oxygenated blood away from your heart to cells, tissues, and organs. They start large near your heart, then branch and divide into smaller arterioles as they get farther away.
Veins carry deoxygenated blood back to your heart. They're larger and thicker-walled than arteries, and blood appears darker because it has lost oxygen. Blood moves slower in veins because there's less pressure compared to arteries.
Remember: Arteries carry blood away from your heart (think "A" for away), while veins carry blood back to your heart!
We thought you’d never ask...
What is the Knowunity AI companion?
Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.
Where can I download the Knowunity app?
You can download the app in the Google Play Store and in the Apple App Store.
Is Knowunity really free of charge?
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
Can't find what you're looking for? Explore other subjects.
Students love us — and so will you.
4.9/5
App Store
4.8/5
Google Play
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user
Science 9: Introduction to Biology
Jona Mariz De Venecia
@jonadv
Ever wonder how you breathe and how that oxygen gets to every cell in your body? The respiratory and circulatory systems work together like the ultimate delivery team - one collects the oxygen you need, and the other ships it... Show more
Understanding Respiration and Breathing
Your respiratory system is basically your body's air processing center, made up of all the organs that help you breathe. Respiration itself is the exchange of oxygen and carbon dioxide that happens at two levels.
External respiration occurs in your lungs where gases move between the atmosphere and your blood. Internal respiration happens when gases exchange between your body's cells and blood - pretty clever system, right?
Breathing is just the mechanical process of getting air in and out of your lungs through inhalation (breathing in) and exhalation (breathing out). Think of it as your body's built-in air pump that never stops working.
Quick Tip: Remember that respiration and breathing aren't the same thing - breathing is just moving air, while respiration is the actual gas exchange!
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Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
Key Parts of Your Respiratory System
Your nose is the main entrance for air, with nostrils separated by the septum. Inside, coarse hairs filter out dust and microorganisms - like having a natural air filter built right in.
The pharynx serves as a shared passageway for both air and food, while your tonsils act like security guards, picking up and destroying bacteria. Your larynx (voice box) contains your vocal cords and prevents food from entering your lungs.
Your trachea (windpipe) is a tough tube supported by cartilage rings that connects to your bronchi - two smaller pipes leading to each lung. These branch into tiny bronchioles that connect to alveoli, microscopic balloon-like air sacs where the real magic happens.
Fun Fact: Your alveoli are surrounded by tiny blood vessels called capillaries with super thin walls that allow gases to easily pass through!
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
More Respiratory System Components
Your diaphragm is the dome-shaped muscle that's basically the boss of breathing - it controls the whole process by moving up and down. Without it, you literally couldn't breathe.
The sinuses (frontal and sphenoid) help regulate the temperature and humidity of the air you breathe while producing mucus to keep your nose from drying out. Your nasal cavity filters and warms incoming air through different passages.
Your epiglottis acts like a protective flap that covers your larynx when you swallow, preventing food from going down the wrong way. The pleural cavity gives your lungs room to expand and contract during breathing.
Remember: Each part has a specific job, but they all work together to get oxygen into your bloodstream efficiently.
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
How Breathing Actually Works
Breathing (also called respiration) involves inhaling oxygen and exhaling carbon dioxide through two main processes. Inhalation brings air into your lungs, while exhalation pushes it out.
During inspiration, your rib cage expands as rib muscles contract, and your diaphragm moves down. This creates lower pressure in your lungs, so air rushes in to fill the space. During expiration, everything reverses - your diaphragm moves up, rib cage gets smaller, pressure increases, and air gets pushed out.
Think of it like a balloon - when you stretch it (inhalation), air flows in due to pressure differences. When you let it contract (exhalation), air flows out. Your body does this automatically about 20,000 times per day.
Cool Connection: Air quality affects how well this process works, which is why environmental health standards protect people with respiratory conditions.
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
How Respiratory and Circulatory Systems Team Up
Here's where things get really interesting - your respiratory and circulatory systems work together like a perfect partnership. Air enters your lungs, then moves to the left side of your heart where it gets pumped throughout your bloodstream to every cell in your body.
Your heart pumps blood that carries essential nutrients and oxygen everywhere. Once oxygen reaches your cells, it helps process nutrients to release energy. During this process, carbon dioxide is produced as waste.
The blood then carries this carbon dioxide back to the right side of your heart, which pumps it to your lungs. Finally, you exhale the carbon dioxide, completing the entire cycle.
Key Point: This partnership ensures every single cell in your body gets the oxygen it needs while removing waste - talk about teamwork!
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
Understanding Your Circulatory System
Your circulatory system is like a complex highway system that nourishes every cell with food and oxygen while hauling away waste products. Think of it as connecting all your cells into one big neighborhood that keeps your body alive.
The system has three main components working together. Blood is the fluid tissue made up of plasma and various blood cells that circulates through blood vessels throughout your entire body.
Blood consists of a liquid part called plasma and solid components called blood cells. This combination creates the perfect delivery system for transporting everything your cells need to survive and function properly.
Visual Tip: Imagine your circulatory system as a delivery service with highways (blood vessels), delivery trucks (blood), and packages (oxygen and nutrients)!
Sign up to see the contentIt's free!
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Improve your grades
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By signing up you accept Terms of Service and Privacy Policy
Blood Components - The Liquid Part
Plasma is the liquid part that carries cells and platelets, making up 50-60% of your blood. It's like the delivery truck that transports everything else around your body.
Serum is the clear, yellowish liquid portion that contains tons of useful stuff - carbon dioxide, glucose, amino acids, proteins, minerals, vitamins, hormones, and waste materials like urea. Basically, it's carrying the good stuff your cells need and the waste they want to get rid of.
This liquid component is crucial because it provides the medium for all transportation within your circulatory system. Without plasma and serum, your blood cells would have no way to travel through your body.
Think About It: Plasma is like the river that carries boats (blood cells) to their destinations throughout your body.
Sign up to see the contentIt's free!
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Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
Blood Components - The Solid Parts
Red blood cells (erythrocytes) are amazing little biconcave discs that look round but are thinned out in the center. They can actually change shape to squeeze through tiny capillaries without breaking - pretty impressive flexibility.
These cells contain hemoglobin, a protein specifically designed to hold oxygen and carry it to cells that need it. Hemoglobin also gives red blood cells their distinctive red color. They're formed in your bone marrow, and as they mature, their nucleus disappears before entering your bloodstream.
Their main jobs are delivering oxygen to your body's tissues and cells, plus picking up unnecessary wastes and carbon dioxide from your cells. Red blood cells also contain proteins that determine your blood type through antigens on their membranes.
Amazing Fact: Your red blood cells are so flexible they can squeeze through capillaries that are smaller than their normal size!
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Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
White Blood Cells and Platelets
White blood cells (leucocytes) are your body's security team - they protect against foreign invaders, especially bacteria. Unlike red blood cells, they have nothing to do with delivering food and oxygen.
There are two main types: phagocytes that engulf foreign substances, and lymphocytes that produce antibodies to attack bacterial enemies. They come in different varieties but all serve the same basic purpose of keeping you healthy.
Platelets (thrombocytes) are the smallest blood cells, but they have a huge job. They produce tiny fibrinogen fibers that form a net to trap other blood cells, creating blood clots when you get injured.
Life-Saver Alert: Without platelets, even a small cut could be dangerous because your blood wouldn't be able to clot and stop the bleeding!
Sign up to see the contentIt's free!
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Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
Blood Vessels - Your Body's Highway System
Blood clotting begins when a blood vessel gets injured and blood contacts surrounding tissue. Substances like calcium and proteins combine to trap red and white blood cells, forming a mesh that plugs the leak and provides foundation for healing.
Blood vessels carry blood throughout your body via three main types. Arteries carry oxygenated blood away from your heart to cells, tissues, and organs. They start large near your heart, then branch and divide into smaller arterioles as they get farther away.
Veins carry deoxygenated blood back to your heart. They're larger and thicker-walled than arteries, and blood appears darker because it has lost oxygen. Blood moves slower in veins because there's less pressure compared to arteries.
Remember: Arteries carry blood away from your heart (think "A" for away), while veins carry blood back to your heart!
We thought you’d never ask...
What is the Knowunity AI companion?
Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.
Where can I download the Knowunity app?
You can download the app in the Google Play Store and in the Apple App Store.
Is Knowunity really free of charge?
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
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4.9/5
App Store
4.8/5
Google Play
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
I think it’s very much worth it and you’ll end up using it a lot once you get the hang of it and even after looking at others notes you can still ask your Artificial intelligence buddy the question and ask to simplify it if you still don’t get it!!! In the end I think it’s worth it 😊👍 ⚠️Also DID I MENTION ITS FREEE YOU DON’T HAVE TO PAY FOR ANYTHING AND STILL GET YOUR GRADES IN PERFECTLY❗️❗️⚠️
Thomas R
iOS user
Knowunity is the BEST app I’ve used in a minute. This is not an ai review or anything this is genuinely coming from a 7th grade student (I know 2011 im young) but dude this app is a 10/10 i have maintained a 3.8 gpa and have plenty of time for gaming. I love it and my mom is just happy I got good grades
Brad T
Android user
Not only did it help me find the answer but it also showed me alternative ways to solve it. I was horrible in math and science but now I have an a in both subjects. Thanks for the help🤍🤍
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
I found this app a couple years ago and it has only gotten better since then. I really love it because it can help with written questions and photo questions. Also, it can find study guides that other people have made as well as flashcard sets and practice tests. The free version is also amazing for students who might not be able to afford it. Would 100% recommend
Aubrey
iOS user
Best app if you're in Highschool or Junior high. I have been using this app for 2 school years and it's the best, it's good if you don't have anyone to help you with school work.😋🩷🎀
Marco B
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE THE SCHOOLGPT. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This app is phenomenal down to the correct info and the various topics you can study! I greatly recommend it for people who struggle with procrastination and those who need homework help. It has been perfectly accurate for world 1 history as far as I’ve seen! Geometry too!
Paul T
iOS user