Which of the following statements regarding regulation of local blood flow is true?
A) Increased metabolic rate in a tissue increases capillary blood flow into the tissue.
B) Blood flow through capillaries is continuous.
C) Contraction of precapillary sphincters will increase blood flow to a capillary bed.
D) Increased levels of carbon dioxide increase the contraction of precapillary sphincters.
E) Tissue need for oxygen and amino acids will cause precapillary sphincters to contract.
Correct Answer:
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