Multiple choice general knowledge

The average human brain has about ________ billion nerve cells

  1. 400

  2. 100

  3. 50

  4. 200

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

The average human brain contains approximately 100 billion neurons (nerve cells). This is a well-established scientific fact used in neuroscience education. Options A, C, and D are either too high or too low.