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by Anonymous on January 2nd, 2007

Anonymous

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Help answer this question below.

How big is an average brain? In inches - length and width?
...I know it depends on the size of the human and a brain is typically 1600 cm3, but how many inches wide and long is a brain? I ask because i assume our heads are some skill and some skin.

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Answers. 2 helpful answers below.

  • by Gari on July 25th, 2008

    Gari

    Actually human cranial capacity varies quite a bit (1000cc to 2000cc)...largely because of encephalization. People vary quite a bit in statue and size. People who are bigger (taller or with a bigger frame) will typically have large heads as well (in order for their proportions to remain even. Just imagine a 7 foot tall guy with the head of only a 5,5" guy? That would look almost comical!). Encephalization means the brain size vs body size and a larger body also requires a large brain for motor control. For example, an African elephants brain is considerably larger than a human's, but relative to it's body size, it's brain size is much smaller compared to a humans just because an elephant is so much bigger than a human.

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  • by Miss Priceless Princess fancies RUSirius on January 2nd, 2007

    Miss Priceless Princess fancies RUSirius

    Average brain width = 140 mm
    Average brain length = 167 mm
    Average brain height = 93 mm

    I retrieved this info from: http://faculty.washington.edu/chudler/facts.html

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