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.For most of those features, of cou… [+7240 chars]
Why Do We Have Two Nostrils, Instead Of One Big Nose Hole? - IFLScience
The answer is right under your nose. Obviously.
By:Dr. Katie Spalding
Source:IFLScience
Published:
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