What do my kidneys do?Your kidneys are bean-shaped organs, each about the size of your fist. They are located near the middle of your back, just below the rib cage, one on each side of the spine. The kidneys are sophisticated trash collectors. Every day, your kidneys process about 200 quarts of blood to sift out about 2 quarts of waste products and extra water. The wastes and extra water become urine, which flows to your bladder through tubes called ureters. Your bladder stores urine untilyou go to the bathroom.The wastes in your blood come from the normal breakdown of active muscle and from the food you eat. Your body uses the food for energy...
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