Tag: Varicose

Cause of Varicose Veins

Veins are the blood vessels that return deoxygenated blood to the heart. Valves in the vein open to allow the blood to pass through and close to prevent reflux, or the backward flow of blood. Legs are made up of a network of veins. There are three types of leg veins. Deep veins, located deep in the leg, are responsible… Read more »