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How much does a human brain weigh?

2 Answers

5 votes

The brain is the body's control center. Weighing about 3.5 lb (1.5 kg), it consumes more than 20% of the body's energy.

User Kyle Knoepfel
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3 votes

About 3 pounds. This is 2% of the total human body weight.

User Umair Mubeen
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