Answer to Question #111291 in Human Anatomy and Physiology for Bailey

Question #111291
Mike is running a marathon, what is his circulatory system doing during the race
1
Expert's answer
2020-04-22T07:48:50-0400

Exercise causes the heart to pump blood into the circulation more efficiently as a result of more forceful and efficient myocardial contractions, increased perfusion of tissues and organs with blood, and increased oxygen delivery. Aerobic exercise trains the heart to become more efficient.


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