Why we have two nostrils
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
https://www.popsci.com/science/why-we-have-nostrils/Open linkView original on lemmy.ca
Why not 3 then?
You only get so many character creation points
Gillette is about to launch a nose with five holes.
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. 👍
Hm. Good question.
One for breathing the other for bean storage
One always has better boogers