Multiple choice general knowledge science & technology Your skin weighs thrice as much as your brain! True False Reveal answer Fill a bubble to check yourself B Correct answer Explanation The skin weighs approximately 4-6 kg for an average adult, while the brain weighs about 1.3-1.4 kg. The skin does not weigh thrice as much as the brain - it's closer to 4-5 times heavier, not 3 times.