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Muscular System Test
Question | Answer |
---|---|
What are the functions of the muscular system? | To produce movement; maintain posture; stabilize joints; generate heat |
What are the four characteristics of muscle tissue? | Excitability; Contractility; Extension; Elasticity |
Name the three types of muscle cells | Skeletal, Cardiac, Smooth |
Define Epimysium | Covers the whole muscle |
Define Perimysium | Covers a fascicle |
Define Endomysium | Covers an individual muscle fiber |
What is the function of muscle fibers? | Membranes allow the muscle fibers to slide without building up friction |
What is muscle fatigue? | ATP is no longer efficiently being used for myosin/actin cross-bridges |
Define Oxygen Debt | A difference occurs between the amount of oxygen available and the amount required and you become out of breath |
Define Anaerobic Respiration | Muscles begin to burn, causing you to stop exercising before cells are injured |