JOHN GREIM / SCIENCE PHOTO LIBRARY JOHN GREIM / SCIENCE PHOTO LIBRARY
Liver. Coloured computed tomography (CT) scan of the abdomen showing a healthy liver, seen in axial view. At lower centre is a vertebra of the spine (red); rib bones of the ribcage are seen at outer left and right (black and yellow). The liver occupies much of the abdomen, at centre left and upper right (light blue). Directly above the vertebra is the aortic artery (circular, light blue). At upper centre, between lobes of the liver, is the inferior vena cava vein (circular, light blue). The liver is the largest organ in the body and its vital functions include regulating the levels of most of the main chemicals in the blood.
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