Name the valve which prevent the back flow of blood in the veins ?
There are tiny one way valves throughout the length of the veins which prevent the back flow of blood in them.
Veins have valves to prevent the backflow of blood because the blood in veins flow ________.
Valves are found in veins to check the backflow of blood flowing under
Due to presence of _______ , back flow of blood is prevented in veins.