• Question: why cant we breathe under water

    Asked by dan110 to Ceri-Wyn on 24 Jun 2010 in Categories: .
    • Photo: Ceri-Wyn Thomas

      Ceri-Wyn Thomas answered on 24 Jun 2010:

      There isn’t any air for our poor lungs. There is oxygen but it’s tightly bound to hydrogen and we couldn’t exchange this for CO2. We’d need gills to breath underwater- or an aqualung!

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