Each nostril leads to a nasal cavity. In this part of your nose, breathed-in air is filtered by cilia — hair-like structures inside the nostrils — before entering your lungs. Additionally ...

Why Trust Us? If you're human you've likely had a pimple on your nose, but what's more annoying than a pimple on your nose is getting a pimple inside your nose. Can anyone see it? Nope.

Inside the sticky confines of the human nose, a gluey layer of mucus surrounds small hairs and cells. While this ooze may appear gross, it is teeming with important components of the immune system.

Acknowledging that differences in the shape of the human nose may come down to a ... Narrow nostrils appear to change the airflow so that the inside of the nose can humidify and warm the air ...

One method of boosting sensitivity combines human scent receptors with nanomaterials such as reduced graphene oxide to create a "bioelectronic nose ... hOR2T7 squeezed inside the scaffold ...