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Musculoskeletal System 3 Types of Muscle Skeletal Muscle Reacts to _______________________ Cardiac Muscle Can respond to __________________ _______________________________ Smooth Muscle Responds to a ____________________ Skeletal Muscle and Bones More than ______________________________ Usually _______________________ Some work together to ___________________________ ____________________ Others work in opposition __________________________ __________________________ Example of Antagonism ______and ________ When______________, ___________________ When__________,____________________ Muscle Contraction & Bones Origin Bone of attachment that ___________________ ______________________ Insertion Bone of attachment ___________________ _________________________ Example Biceps Brachii __________________ Insertion ___________________ Origin is _______________ Muscle Fiber Structure & Function Sarcomere functional ________________________ Each end of the sarcomere ______________________ Thick Filaments ______________________ Thin filaments _____________________ Muscle Contraction Skeletal muscles ____________________________ Nerve impulse _____________________________ Thick myosin _________________________filaments closer together, ________________________ The point where ___________________is called a ______________________ ATP is split by an enzyme __________________ This reaction creates a ________________that binds _________________________ A single contraction _________________________ After death, no _____________________________ _____________________________________