• Question: how big is the human brain

    Asked by NelsNels to Robert, Aimee, Gemma, Hussain, Ross on 14 Nov 2015. This question was also asked by Samuelgold9000.
    • Photo: Robert Lees

      Robert Lees answered on 14 Nov 2015:

      The human brain is about 1 litre in volume – it weighs 1-1.5 kilograms, varying a lot among sex and age. At 10-12 years the brain is as big as it will get.

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