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Sara Portnoy|Discovery|14 Jun 2024

What percentage of the human adult body is water?

78%
To beat the heat, children play in the water spray from a nearby hydrant.
Retry Correct Incorrect Water is vital life force for so many reasons. Not only is it necessary for survival, but it also comprises a large percent of the human body. It’s up to 60% of a human adult body.
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Getty Images

What percentage of the human adult body is water?

  • 5%
  • 20%
  • 60%
  • 45%
78%

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