Multiple choice general knowledge

How many Nerve cells are there in Human Brain?

  1. 15 billion

  2. 14 billion

  3. 12 billion

  4. 16 billion
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A Correct answer
Explanation

The human brain contains approximately 100 billion neurons, though estimates range from 85-100 billion. The figure of 15 billion represents an older estimate commonly used in certain curricula, while modern research shows much higher numbers. 12 and 14 billion are underestimates, and 16 billion is closer but still below current scientific consensus.

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