MIKKEL JUUL JENSEN / SCIENCE PHOTO LIBRARY MIKKEL JUUL JENSEN / SCIENCE PHOTO LIBRARY
Liver and kidney blood supply. Computer illustration showing the blood supply serving the liver (lower centre) and kidneys (bottom). Oxygen is added to the blood (oxygenated blood, red) in the lungs (top) and then pumped by the heart (upper centre) to the liver and kidneys. De-oxygenated blood (blue) carries carbon dioxide from the organs via the heart and back to the lungs.
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