Exam (elaborations)
NSCA-CSCS Exam Chapter 1Questions & Answers 100% Correct(SCORED A+)
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To what structures do the cross-bridges attach during muscle action? - ANSWERActin Which substance regulates muscle actions? - ANSWERCalcium Which substance acts at the neuromuscular junction to excite the muscle fibers of a motor unit? - ANSWERAcetylcholine Which muscle fiber type is the ...
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