A company in the Netherlands has developed a robot to draw blood that some participants in a clinical trail say is less ...

Angelina Jolie, 42, has seemed to have a thin figure with eye catching bulging veins on her arms and legs, but is it something she should keep an eye on? “The large vein on her forearm is the ...

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Arteries carry oxygenated blood away from your heart. They have thick walls and a muscular layer that keeps your blood moving. Arteries can be as wide as a nickel (about two centimeters). They are the ...

Both arteries and veins are types of blood vessels in the cardiovascular system. An artery carries blood away from the heart, and a vein carries blood back to the heart. Blood vessels are essential ...

Blood clots form when blood cells and factors in the blood thicken, forming a semi-solid mass. Sometimes, if the blood clot is caused by an injury, then it is considered protective, since it will plug ...