The only possible exceptions I can think of are fish(I imagine gills and mouth are not connected but don’t really know). I am excluding bacteria and viruses and I believe they don’t really breath(correct me if I’m wrong).

  • angrystego@lemmy.world
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    8 hours ago

    Quite a lot of people can close their nose-holes by curling up their upper lip. I’m not one of them, unfortunately.