I can understand the purpose of two eyes (depth perception) and 2 ears (balance) but why do we have 2 nostrils

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Answers:
Two nostrils coincide with the two hemispheres of the brain. Studies have shown that by breathing through one nostril (holding the other one closed) can actually make one side more dominate for short periods at a time.

Just remember that the nostrils effect the opposite brain hemisphere. So, closing your "left" nostril and breathing through your right will give your left-hemisphere (logical) dominance and visa-versa for the creative right-hemisphere.

Other Answers:
Have you ever had a cold and one get's clogged? It's better to have two so you can still breathe.

you have 2 lungs. so you can smell better ha ha

How weird would u look if u had 1 nostril? just imagine it.

When you're done picking one, you can then pick the other.

In case one is clogged with snot, you can still filter and clean the air going through the other one and breathe. An even better question is why do we call pants, shorts, and underwear a pair, when they are really only one piece of clothing?

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I can understand the purpose of two eyes (depth perception) and 2 ears (balance) but why do we have 2 nostrils

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