Home  >  Anatomy and Physiology  >  Anatomy and Physiology Practice Test: The Cardiovascular System - Blood Vessels

A precapillary sphincter is a cuff of smooth muscle that regulates the flow of blood into the capillaries.

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Related Test: Anatomy and Physiology Practice Test: The Cardiovascular System - The Heart


A precapillary sphincter is a cuff of smooth muscle that regulates the flow of blood into the capillaries.






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