ALFRED PASIEKA / SCIENCE PHOTO LIBRARY ALFRED PASIEKA / SCIENCE PHOTO LIBRARY
Human heart and aorta. Computer artwork depicting a human outline showing the location of the heart (yellow) and the aortic artery (red). The ribcage, hip bone and spinal column of the skeleton are also seen. The heart is a muscular pump which beats continuously and rhythmically throughout life to send blood to the lungs and the rest of the body. The aorta is seen here arising from the left ventricle (the main pumping chamber) of the heart and supplying oxygenated blood to the body. Other major arteries are seen branching off from the aorta to supply the head and arms (at top), and the legs (at bottom) with blood.
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