CLAUS LUNAU / SCIENCE PHOTO LIBRARY CLAUS LUNAU / SCIENCE PHOTO LIBRARY
Cardiovascular system. Computer artwork of the front view of a person's upper body, showing the cardiovascular system. The major components are the heart (in the chest cavity, centre), the veins (blue) and the arteries (red). The cardiovascular, or circulatory, system, transports oxygen and nutrients to all cells and tissues in the body via the blood.
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