Each 2.54 square centimetre (a square inch) of human skin has six metres (20ft) of blood vessels. Veins hold about 65 per cent of the body's blood ... than five million red blood cells, thousands ...

Blood vessels in the body’s extremities are the first to ... Fingers can turn white, blue, or red in even mildly cold situations, such as when opening a refrigerator. —Eve Conant ...

It can affect any blood vessel anywhere in the body. Vasculitis means inflammation of the blood vessels. It can affect different body parts, and the impact and symptoms will depend on the affected ...

Red blood cells deliver oxygen and take away rubbish. And your white blood cells are like police looking for germs. There's a lot going on inside you! Blood transports materials around the body ...

“When our bodies are exposed to the cold, a normal response is for the blood vessels to become narrower ... with the skin ...

Medically reviewed by Anju Goel, MD Numbness in the fingers often results from issues involving the nerves or blood vessels ...

Every year, millions of people around the world suffer ischemic strokes that block blood flow to a region of the brain.

When a patient’s blood vessel is damaged, doctors typically find a blood vessel from another part of the body and graft it to repair blood flow. They turn to artificial vessels when patients are ...