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Crawford AP muscles

Crawford AP muscle chapter 6

QuestionAnswer
electrolytes ion that conducts electrical current
BMI indirect measure of body density
sarcolemma membrane of muscle cells
myofilaments prtein bands that from cytoskeleton
myosin compose thick myofilaments
thick myofilaments actine, tropomyosin, and troponin
sarcomere muscle cell contractile unit
myofibril parallel bundles of myofilaments
z-line marks boundries beteen sacromeres
neurotransmitter chemical used for cell communication
ion channels proteins that aloow ions through
myoglobin red-colored oxygen storing chemical
antagonistic one muscle opposing the action of another
origin point of muscle attachment
isotonic actively lengthening or shortening muscle
isometric muscle not lengthening or shortening
Created by: kcrawford
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