- Functions of muscles in the human body include movement, toning muscles, and propelling bodily fluids
- The structure of skeletal muscles includes connective tissues, tendons, and aponeuroses
- Parts of a skeletal muscle include the sarcolemma, sarcoplasm, and myofibrils
- Skeletal muscle contraction is initiated by myosin and actin molecules, as well as neurotransmitters
- The sliding filament model describes how thick and thin filaments slide past each other during muscle contraction
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