Multiple choice general knowledge

water percentage in human brain

  1. 80

  2. 70

  3. 67.5

  4. 68.6
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A Correct answer
Explanation

The human brain is approximately 80% water by weight. This makes the brain one of the wettest organs in the human body, alongside the heart and lungs. The high water content is essential for proper brain function, including nutrient transport, waste removal, and electrical signal conduction between neurons.

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