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A person can live with only one functioning kidney if the other is diseased or has been removed. But no one can live without both kidneys, unless he undergoes almost daily treatments on a special machine called a dialysis machine. This machine is attached to the body, and cleans the blood and removes the wastes, two of the jobs that the kidneys usually do.
its a fail safe one fails or dies the other one takes over

You don't have to have two kidneys. If 1 fails, you'll have the other kidney to keep filtering your blood.


No ,A healthy person can donate their kidney and live without medication. Donate it for altruistic reasons and not to earn cash.
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9y ago
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14y ago

You need at least one of your kidneys to live. They clean and filter your blood to remove wastes. Kidneys help stimulate production of red blood cells. They help regulate blood pressure they help regulate a lot of things like potassium sodium chloride calcium and phosphorus. They are also important because they control how much water is in your body.

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13y ago

The kidney has excess capacity. A healthy kidney only uses about 20-25% of its capacity - in the human body.

Also, a healthy lung has excess capacity. There are quite a few people living with just one lung.

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9y ago

You don't have to have two kidneys. If 1 fails, you'll have the other kidney to keep filtering your blood.

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Q: Why you can live with one kidney?
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