Multiple choice general knowledge science & technology

Approximately,how much percentage of the brain is occupied by water?

  1. 10

  2. 50

  3. 75

  4. 90

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The human brain is approximately 75% water by weight, similar to the water content of many other organs. This high water content is essential for biochemical reactions, nutrient transport, and maintaining cellular structure. Options A (10%) is far too low, B (50%) underestimates, and D (90%) is slightly too high for brain tissue.