Capillary sphincter closure during internal or external bleeding is detrimental because:
A. available blood is shunted off to another venule while still carrying oxygen.
B. high levels of oxygen remain in the cells and can cause significant damage.
C. waste products are not removed and nutrients are not delivered to the cells.
D. carbon dioxide and other waste can enter the cells, but oxygen cannot.
Ans: C. waste products are not removed and nutrients are not delivered to the cells.
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