BSIP VEM / SCIENCE PHOTO LIBRARY BSIP VEM / SCIENCE PHOTO LIBRARY
Human liver. Illustration of the outline of a man's torso highlighting the liver. The heart (above liver), stomach (to right), kidneys (below) and large and small intestines (at centre bottom) can also be seen. The liver regulates the levels of most of the major blood chemicals by storing them when they are in excess and releasing or manufacturing them when they are low. Excess glucose, for example, is stored as glycogen until needed. The liver helps to break down various drugs and toxins. In addition, the liver produces various proteins and bile, which aids in the removal of waste products and the processing of fats in the small intestine.
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