- cross-posted to:
- science@mander.xyz
- science@lemmy.ml
- cross-posted to:
- science@mander.xyz
- science@lemmy.ml
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
Why not 3 then?
You only get so many character creation points
Gillette is about to launch a nose with five holes.
Hm. Good question.
Because two does the job without wasting more energy.
This is it. Why not three hands? Two dicks? The amount we have has proven enough. 👍