When functioning normally, the veins in the human body play the crucial role of circulating blood back towards the heart, which was earlier circulated away from the heart by the arteries. As an anti-gravity mechanism, the veins, especially in the legs contain one-way valves that aid the upward circulation of the blood.
Why do You Need To Have Vein Treatments? : When functioning normally, the veins in the human body play the crucial role of circulating blood back towards the heart, which was earlier circulated away from the heart by the arteries.
