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Mildly Interesting@lemmy.world · 17 days ago

Why we have two nostrils

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Why we have two nostrils

Quilotoa@lemmy.ca to

Mildly Interesting@lemmy.world · 17 days ago

8

Why we have two nostrils instead of one big hole

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

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SuiXi3D@fedia.io
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17 days ago
Because two does the job without wasting more energy.
- Victor@lemmy.world
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  17 days ago
  This is it. Why not three hands? Two dicks? The amount we have has proven enough. 👍

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