Veins return blood from the remainder of the human body to the center. To return blood to the guts, the veins inside the legs will have to function against gravity. Weakened valves, also called incompetent valves, throughout the veins might result in varicose veins. A vein’s task is always to https://www.sgvascularctr.com/varicose-vein-treatment-in-singapore-answers-to-your-most-common-questions/