Atrioventricular Valves Prevent Backflow of Blood into The

Question

Atrioventricular valves prevent backflow of blood into the:
A)atria.
B)lungs.
C)vena cava.
D)ventricles.

Accepted Answer

Atrioventricular valves, which include the mitral and tricuspid valves, prevent the backflow of blood from the ventricles into the atria when the ventricles contract.