GUSTOIMAGES / SCIENCE PHOTO LIBRARY GUSTOIMAGES / SCIENCE PHOTO LIBRARY
Cardiovascular system. Computer artwork of the human cardiovascular system. These are the blood vessels of the torso, arms, legs and neck. The cardiovascular, or circulatory system, transports oxygen and nutrients to all cells and tissues in the body via the blood. Its major components are the heart (upper centre of chest cavity), the veins (blue), the arteries (red) and the blood.
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