Multiple choice general knowledge

Water in Human Brain

  1. 50%

  2. 75%

  3. 58%

  4. 80%
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The human brain is approximately 80% water by weight, making it one of the body's most hydrated organs. This high water content is essential for proper brain function, neural signaling, and maintaining electrolyte balance. The other options (50%, 58%, 75%) are significantly lower than the actual percentage.

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