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Human Muscles
Human muscles do many different jobs in the body. When you walk, chew, dance, muscles move your skeleton. Other types of muscle keep your heart beating, move food through your digestive tract, and help .your other internal organs function Structure of skeletal muscle Myofibrils* Muscle Fibers Contraction Action* Think filaments Contraction Myosin* Thick filaments contraction
Human muscles do many different jobs in the body. When you walk, chew, dance, muscles move your skeleton. Other types of muscle keep your heart beating, move food through your digestive tract, and help .your other internal organs function Structure of skeletal muscle Myofibrils* Muscle Fibers Contraction Action* Think filaments Contraction Myosin* Thick filaments contraction
