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 and have one-way valves tohelp blood move.

Every part of the body needs oxygen, food and water. The blood vessels ... To picture the blood vessels, imagine a busy network of roads. And those roads are always full of little vans which ...

The agency OK’d an artificial vessel to restore blood flow in patients, even though its own scientists flagged questionable ...

which are blood vessels throughout the body. This article will explain how cocaine may cause a heart attack, its symptoms, and how doctors treat it. It will also explore the short-term and long ...

Rascher was said to dissect victims' brains while they were still alive to show that high-altitude sickness resulted from the formation of tiny air bubbles in the blood vessels of a certain part ...