The kidneys are bean-shaped excretory organs in vertebrates.
Part of the urinary system, the kidneys filter wastes (especially urea) from the blood and excrete them, along with water, as urine.
In humans, the kidneys are located in the posterior part of the abdomen.
For more information about the topic Kidney, read the full article at Wikipedia.org, or see the following related articles:
Editor's Note: This article is not intended to provide medical advice, diagnosis or treatment.
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