Match the term with the best description.
-Precapillary sphincters
A)Simple squamous epithelium of capillaries
B)Drain capillary networks
C)Regulate blood flow into capillaries
D)Do not have fenestrae
E)Bypass capillary beds

Question

Quizplus · Accepted Answer

Precapillary sphincters are rings of smooth muscle located at the entrance to capillary beds, which regulate the flow of blood into those capillaries. By contracting or relaxing, they control how much blood enters the capillaries, thus playing a crucial role in regulating blood flow and pressure within tissues.

Match the Term with the Best Description