MEHAU KULYK / SCIENCE PHOTO LIBRARY MEHAU KULYK / SCIENCE PHOTO LIBRARY
Heart. Historical anatomical artwork of the human heart, seen from the front. Coronary blood vessels are seen on the surface of the heart, supplying this muscular organ with oxygen so it can pump blood around the body. Blood vessels with deoxygenated blood are blue, while those with oxygenated blood are red. The blood vessels across top are (from left): the vena cava (blue), the aortic arch (red), and the pulmonary artery (blue). The pulmonary vein (not clearly seen) is to the right and behind the pulmonary artery. Veins bring blood to the heart. Arteries carry blood away from the heart. The pulmonary blood vessels carry blood between the heart and lungs. Artwork from Atlas of Anatomy, by Bourgery and Jacob, published in France in 8 volumes from 1831 to 1854.
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