Multiple choice general knowledge science & technology

Your brain uses --% of your body's energy

  1. 10

  2. 20

  3. 30

  4. 40

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

The brain consumes approximately 20% of the body's total energy despite representing only about 2% of body weight. This high energy consumption is due to the brain's intense metabolic activity required for neural signaling and cognitive functions.