In veins, valves are present to check backward flow of blood flowing at

Valves are found in veins to check the backflow of blood flowing under

Valves are present in the veins.

The valve which prevent in the back flow of blood from right atrium is

The valves which are present in the blood vessels are closed to prevent backward flow of blood into the ventricles we hear the sound of heart as

If the valves in veins of the legs fail to stop the flow of blood what could be the consequences of this failure ?

If the valves in veins of the legs fail to stop the flow of blood, what could be the consequences of this failure?

Assertion : The opening between the right atrium and the right ventricle is guarded by a bicuspid or mitral valve. Reason : The valves in the heart allows the flow of blood only in one direction.