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Which sphincters function as regulatory valves


Question: Which sphincters function as regulatory valves that reduce the flow of blood through a network of capillaries when they contract and constrict the arterioles? Need Assignment Help?

Group of answer choices

  • postcapillary sphincters
  • postarteriole sphincters
  • precapillary sphincters
  • prearteriole sphincters

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Biology: Which sphincters function as regulatory valves
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