Why Do We Have Two Nostrils, Instead Of One Big Nose Hole?Teamwork makes the dream work, as does sharing the load. Image credit: this_baker/Shutterstock.com In humans, as in many animals, things tend to come in pairs. We have two eyes, two ears, two hands, and two feet – and, right in the middle of our faces, two nostrils.The rest of this article is behind a paywall. Please sign in or...
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