What is the function of the tiny hairs in our nostrils?
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Asked in Head, Ears, and Nose
When you are sick do you exhale the same amount of bacteria through your nose as your mouth?
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What is the function of your nostril?
Nostrils are one of the ways that air is taken into the lungs, it is just through the nose rather than the mouth. Hairs in your nostrils filter dirt from the air. Air taken in through the nostrils also passes by smell receptors (olfactory receptors), which allows you to get chemical information about your environment.