Why we have two nostrils instead of one big hole
www.popsci.com
Our nostrils share the workload like coworkers on rotation.

TL:DR We alternate breathing between the two. Each nostril smells differently Two nostrils help us locate smells Two nostrils may give us an advantage against colds

  • Victor@lemmy.world
    3·
    17 days ago

    This is it. Why not three hands? Two dicks? The amount we have has proven enough. 👍