Multiple choice general knowledge science & technology

The human brain is made up of approximately....

  1. 400 billion neurons

  2. 300 billion neurons

  3. 200 billion neurons

  4. 100 billion neurons
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The human brain contains approximately 100 billion neurons, though estimates range from 86-100 billion. This massive network of neurons forms the basis for all brain functions, from basic survival reflexes to complex cognitive processes.

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