★ Acute Responses to Exercise Quiz
During a marathon race, which of the following is most likely to limit the aerobic system and cause fatigue?
A. Insufficient oxygen delivery to muscles
B. Depletion of muscle glycogen stores
C. Lactic acid build-up
D. PC depletion
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During exercise, the vascular shunt mechanism redirects blood to the….
A. Heart
B. Kidneys
C. Muscles
D. Liver
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