The Human Female Urinary System
Kidney from
Gray's Anatomy Kidneys are two organs in the abdomen of vertebrates that are shaped like beans. They make urine (the yellow waste water that comes out of the urethra.) They are part of the urinary system. When medical professionals discuss the kidneys, they typically refer to the word renal. For example, renal failure is when the kidneys are sick and do not work.
The prefix nephro- is also used in words to mean "kidneys". For example, a nephrologist is a doctor who studies kidneys.
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