Multiple choice general knowledge The human body weighs - times more than the brain 40 25 10 33 Reveal answer Fill a bubble to check yourself A Correct answer Explanation The average adult human body weighs approximately 40 times more than the brain. The brain weighs about 1.4 kg (3 lbs) while average body weight is around 62 kg (137 lbs) for adults. This ratio is consistent across most healthy adults.