Blood from the aorta reaches the kidneys so it can be filtered and cleaned. Among other functions, the kidneys remove toxins, metabolic waste, and excess ions from the blood which leaves the body in the form of urine.

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Review Date:1/9/2007
Reviewed By: Jenifer K. Lehrer, MD, Department of Gastroenterology, Frankford-Torresdale Hospital, Jefferson Health System, Philadelphia, PA. Review provided by VeriMed Healthcare Network.