They could be signs of poor blood circulation ... move through them. When your blood pressure goes up, it damages the walls and valves of your veins. Blood inside varicose veins can flow ...

blood flows into the heart from a vein, goes into an atrium, then a ventricle, and out through an artery. The valves prevent the blood flowing backwards. The heart is relaxed and blood flows into ...

Unconjugated bilirubin can be reabsorbed by the intestinal mucosa back into the circulation, a process referred to as enterohepatic circulation. Lack of intestinal bacteria also places the infant ...