How do venous valves work

How do venous valves work?

January 5, 2018 ANT MEDIC 0

Blood is pumped out of the heart by the arteries, delivered throughout the body and back through the veins to the heart. Therefore, in an upright human body, venous blood can overcome the effect of gravity and return from the lower limbs to the upper heart, which requires relying on the venous valve.