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NSCA-CSCS Exam Chapter 1 Top Quizzes with accurate answers, 100% Accurate, graded A+
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NSCA-CSCS Exam Chapter 1 Top Quizzes with accurate answers, 100% Accurate, graded A+ To what structures do the cross-bridges attach during muscle action? - -Actin Which substance regulates muscle actions? - -Calcium Which substance acts at the neuromuscular junction to excite the muscle ...
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