Question: How Many Nuerons Does the average human have?

Asked by jamesy to Arti, Chris, Dustin, James, Steven on 18 May 2012. This question was also asked by shaunm.

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  1. Photo: James ByrneJames Byrne
    answered on 18 May 2012:

    There are about 100 billion neurons in the brain alone of an average adult. I guess that makes the answer a lot.

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  2. Photo: Dustin WelbourneDustin Welbourne
    answered on 18 May 2012:

    Hi Jamesy.

    Yeah 100 billion sounds about right.

    That is this many 100,000,000,000

    This is also very similar to the number of galaxies in the universe

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  3. Photo: Chris ScarlettChris Scarlett
    answered on 18 May 2012:

    Hey @jamesy. James and Dustin are right. It is also estimated that the human nervous system in total has as many as 1000 billion neurons, central and peripheral nervous system.

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  4. Photo: Arti SinghArti Singh
    answered on 22 May 2012:

    Nice question, Jamesy.
    Thanks, everyone – I learnt something new here! I knew there were loads, but I had no idea how many. 🙂

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