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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 4 points 18 hours ago

Because two does the job without wasting more energy.

[-] victorz@lemmy.world 3 points 12 hours ago

This is it. Why not three hands? Two dicks? The amount we have has proven enough. ๐Ÿ‘

this post was submitted on 10 Dec 2025
35 points (100.0% liked)

Mildly Interesting

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