Question

How is blood flow from the heart to the capillaries

maintained?
Group of answer choices
By muscular movements of the arterioles
By blood pressure differences between the aorta and the
capillaries
By t

Answer 1

Blood is prevented from flowing backward in the veins by one-way valves. Blood flow through the capillary beds is controlled by precapillary sphincters to increase and decrease flow depending on the body's needs and is directed by nerve and hormone signals.