The smooth muscle around arterioles can A) relax in response to high O₂ levels. B) relax in response to high blood pH. C) shut off the supply of blood to the capillary bed. D) relax in response to low CO₂ levels. E) contract to increase local blood flow to a tissue.

Question

Quizplus · Accepted Answer

The smooth muscle around arterioles can contract to reduce or shut off blood flow to the capillary bed, regulating blood distribution.

The Smooth Muscle Around Arterioles Can