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The kidneys are two bean-shaped organs located on either side of the
spine, just below the ribs.
The kidneys filter wastes from the blood and help
balance water, salt, and mineral levels in the blood. To do this, blood from the body enters the kidney. Inside the kidney, blood is filtered and waste is removed. Salt, water, and minerals are added if needed. The filtered blood is returned to the body and the waste from the blood is sent to the bladder as urine.
The kidneys also produce three important hormones: renin, erythropoietin, and the active form of vitamin D. Renin helps regulate blood pressure. Erythropoietin is needed to make red blood cells. Your body needs the active form of vitamin D to absorb calcium from food. Together, vitamin D and calcium help build healthy bones and maintain normal muscle function.
flow to the kidneys is very important for the kidneys to work well. If blood
flow to a kidney gets blocked, part or all of that kidney may die. This can
lead to kidney failure.
August 29, 2013
Anne C. Poinier, MD - Internal Medicine & Tushar J. Vachharajani, MD, FASN, FACP - Nephrology
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