• Question: How and why do we breathe

    Asked by Science Genie to Rob, Deborah on 20 Jun 2016.
    • Photo: Deborah Prunty

      Deborah Prunty answered on 20 Jun 2016:

      Our body burns fuel to create energy. To do this, we need oxygen. Breathing gets us this. It also expels the carbon dioxide that is created as a by product.

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