For example, a capillary is microscopically thin to allow gases to exchange, the arteries are tough and flexible to cope with high pressure blood flow and the veins contain valves to prevent the ...

For example, a capillary is microscopically thin to allow gases to exchange, the arteries are tough and flexible to cope with high pressure blood flow and the veins contain valves to prevent the ...

The posterior communicating artery (PCOM) is a part of a group of arteries in the brain known as the circle of Willis. The ...

Medically reviewed by Richard N. Fogoros, MD The abdominal aorta is a large artery in your belly that carries blood from the ...