All blood vessels are specifically structured to perform their function. For example, a capillary is microscopically thin to allow gases to exchange, the arteries are tough and flexible to cope ...

In order to get blood to the heart muscle of a by-pass patient more efficiently, surgeons first need to borrow veins or arteries from non-critical areas of the body and then stitch them into the ...

All blood vessels are specifically structured to perform their function. For example, a capillary is microscopically thin to allow gases to exchange, the arteries are tough and flexible to cope ...