Exam (elaborations)
NSCA CSCS EXAM REVIEW QUESTIONS AND ANSWER 100% ACCURATE!
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Which of the following substances regulates muscle actions? potassium calcium troponin tropomyosin - ANSWER-calcium Which of the following substances acts at the NMJ to excite the muscle fibers of a motor unit? acetylcholine ATP creatine phosphate serotonin - ANSWER-acetylcholine ...
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