Sustained exercise can increase the blood flow rate of theheart by a factor of 5 with
Chapter 13, Problem 71(choose chapter or problem)
Sustained exercise can increase the blood flow rate of theheart by a factor of 5 with only a modest increase in blood pressure.This is a large change in flow. Although several factorscome into play, which of the following physiological changeswould most plausibly account for such a large increase in flowwith a small change in pressure?A. A decrease in the viscosity of the bloodB. Dilation of the smaller blood vessels to larger diametersC. Di lation of the aorta to larger diameterD. An increase in the oxygen carried by the blood
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