Subjects
Biology
Chemistry
AP Chemistry
English
AP English Literature
Biology
Nov 28, 2025
395
4 pages
shirlana Titus @shirlanatitus_lqol
The human body systemswork together through complex interactions to maintain life. This comprehensive overview explores how eleven... Show more
The page details the excretory, respiratory, and skeletal systems. These systems work together to remove waste products, enable breathing, and provide structural support to the body. The skeletal system also serves multiple functions beyond support, including blood cell production.
Definition Cellular metabolism refers to the chemical processes in cells that break down nutrients and produce energy.
Highlight The skeletal system not only provides structure but also produces both red and white blood cells in the bone marrow.
Example The diaphragm, working with the respiratory system, contracts and relaxes to enable breathing.
Vocabulary Alveoli are tiny air sacs in the lungs where gas exchange occurs.
This section covers the muscular, endocrine, and immune systems. These systems work together to enable movement, regulate body functions through hormones, and defend against pathogens. The muscular system enables both voluntary and involuntary movements throughout the body.
Definition Hormones are chemical messengers that regulate body functions and maintain homeostasis.
Highlight The immune system uses specialized white blood cells called T cells and B cells to fight infections.
Example When you exercise, your muscular system works with the skeletal system to enable movement while the endocrine system releases hormones to regulate energy use.
Vocabulary Macrophages are large white blood cells that engulf and destroy harmful substances.
The final page examines the integumentary, lymphatic, and reproductive systems. The skin provides crucial protection against infection and helps regulate body temperature. The lymphatic system supports immune function and fluid balance, while the reproductive system ensures species continuation.
Definition The integumentary system includes the skin, hair, nails, and associated glands.
Highlight The lymphatic system acts as a secondary circulatory system, reaching areas between cells that blood vessels cannot access.
Example When you get hot, sweat glands in your skin release moisture to cool you down through evaporation.
Vocabulary Sebaceous glands produce oil that helps waterproof and protect the skin.
This page introduces three fundamental body systems - digestive, circulatory, and nervous systems. The digestive system processes food through ingestion, digestion, and elimination while working closely with the circulatory system to distribute nutrients. The nervous system coordinates body functions and maintains homeostasis.
Definition Homeostasis refers to the body's ability to maintain a stable internal environment despite external changes.
Example When blood sugar drops, the hypothalamus triggers hunger signals, making your stomach growl.
Highlight The circulatory system interacts with nearly every other body system, making it crucial for survival.
Vocabulary Neurons are specialized nerve cells that transmit information throughout the body.
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.
You can download the app in the Google Play Store and in the Apple App Store.
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
8
Smart Tools NEW
Transform this note into: ✓ 50+ Practice Questions ✓ Interactive Flashcards ✓ Full Mock Exam ✓ Essay Outlines
Explore the key processes of coastal erosion, including freeze-thaw weathering, hydraulic action, and mass movement. This summary covers the formation of features like arches, stacks, and stumps, as well as transportation methods such as longshore drift and sediment movement. Ideal for geography students studying coastal landscapes and systems.
BiologyLearn about the different parts of the skull and their anatomical names in this informative map. the blank page I wrote on was found on biologycorner.com
BiologyLearn about the role of osteoblasts, osteocytes, and osteoclasts in bone formation and calcium regulation in the body.
BiologyExplore the Boscastle flooding case study, detailing the causes, impacts, and flood management strategies implemented after the August 2004 disaster. This summary covers heavy rainfall, topography, and the £4.5 million flood defense scheme designed to prevent future flooding. Ideal for geography students studying flood management and environmental impacts.
BiologyNotes on ecosystem and community interactions, energy, food chains and food webs, matter, water, carbon, oxygen, nitrogen, and phosphorus cycles.
BiologyExplore the essential functions of the lymphatic system, including interstitial fluid removal, lymph formation, and immune response. This summary covers the roles of lymphatic vessels, lymph nodes, and the transport of lymph, highlighting their importance in fluid regulation and defense against pathogens. Ideal for students studying immunology and the immune system.
Combined ScienceApp Store
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
shirlana Titus
@shirlanatitus_lqol
The human body systems work together through complex interactions to maintain life. This comprehensive overview explores how eleven major systems function and interact with each other to maintain homeostasis.
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
The page details the excretory, respiratory, and skeletal systems. These systems work together to remove waste products, enable breathing, and provide structural support to the body. The skeletal system also serves multiple functions beyond support, including blood cell production.
Definition: Cellular metabolism refers to the chemical processes in cells that break down nutrients and produce energy.
Highlight: The skeletal system not only provides structure but also produces both red and white blood cells in the bone marrow.
Example: The diaphragm, working with the respiratory system, contracts and relaxes to enable breathing.
Vocabulary: Alveoli are tiny air sacs in the lungs where gas exchange occurs.
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
This section covers the muscular, endocrine, and immune systems. These systems work together to enable movement, regulate body functions through hormones, and defend against pathogens. The muscular system enables both voluntary and involuntary movements throughout the body.
Definition: Hormones are chemical messengers that regulate body functions and maintain homeostasis.
Highlight: The immune system uses specialized white blood cells called T cells and B cells to fight infections.
Example: When you exercise, your muscular system works with the skeletal system to enable movement while the endocrine system releases hormones to regulate energy use.
Vocabulary: Macrophages are large white blood cells that engulf and destroy harmful substances.
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
The final page examines the integumentary, lymphatic, and reproductive systems. The skin provides crucial protection against infection and helps regulate body temperature. The lymphatic system supports immune function and fluid balance, while the reproductive system ensures species continuation.
Definition: The integumentary system includes the skin, hair, nails, and associated glands.
Highlight: The lymphatic system acts as a secondary circulatory system, reaching areas between cells that blood vessels cannot access.
Example: When you get hot, sweat glands in your skin release moisture to cool you down through evaporation.
Vocabulary: Sebaceous glands produce oil that helps waterproof and protect the skin.
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
This page introduces three fundamental body systems - digestive, circulatory, and nervous systems. The digestive system processes food through ingestion, digestion, and elimination while working closely with the circulatory system to distribute nutrients. The nervous system coordinates body functions and maintains homeostasis.
Definition: Homeostasis refers to the body's ability to maintain a stable internal environment despite external changes.
Example: When blood sugar drops, the hypothalamus triggers hunger signals, making your stomach growl.
Highlight: The circulatory system interacts with nearly every other body system, making it crucial for survival.
Vocabulary: Neurons are specialized nerve cells that transmit information throughout the body.
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.
You can download the app in the Google Play Store and in the Apple App Store.
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
8
Smart Tools NEW
Transform this note into: ✓ 50+ Practice Questions ✓ Interactive Flashcards ✓ Full Mock Exam ✓ Essay Outlines
Explore the key processes of coastal erosion, including freeze-thaw weathering, hydraulic action, and mass movement. This summary covers the formation of features like arches, stacks, and stumps, as well as transportation methods such as longshore drift and sediment movement. Ideal for geography students studying coastal landscapes and systems.
BiologyLearn about the different parts of the skull and their anatomical names in this informative map. the blank page I wrote on was found on biologycorner.com
BiologyLearn about the role of osteoblasts, osteocytes, and osteoclasts in bone formation and calcium regulation in the body.
BiologyExplore the Boscastle flooding case study, detailing the causes, impacts, and flood management strategies implemented after the August 2004 disaster. This summary covers heavy rainfall, topography, and the £4.5 million flood defense scheme designed to prevent future flooding. Ideal for geography students studying flood management and environmental impacts.
BiologyNotes on ecosystem and community interactions, energy, food chains and food webs, matter, water, carbon, oxygen, nitrogen, and phosphorus cycles.
BiologyExplore the essential functions of the lymphatic system, including interstitial fluid removal, lymph formation, and immune response. This summary covers the roles of lymphatic vessels, lymph nodes, and the transport of lymph, highlighting their importance in fluid regulation and defense against pathogens. Ideal for students studying immunology and the immune system.
Combined ScienceApp Store
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
