Every year, millions of people around the world suffer ischemic strokes that block blood flow to a region of the brain.
Most people have right-dominant hearts—which to a doctor or a researcher means they have an artery that extends from the ...
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.
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