Usually, people have 2, unless they sell one of them...
There are two kidneys in human body. I
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2
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Human body has two kidneys
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The Human Body has two Lungs, Kidneys and many more
The Kidneys
Simple diffusion occurs in many parts of the human body. Some of these include in the lungs, the skin and in the kidneys.
Kidneys, lungs
The kidneys filtrate waste and pass urine to the urinary bladder.
The Kidneys