URL of this page: //www.nlm.nih.gov/medlineplus/ency/anatomyvideos/000117.htm

Smelling

Overview

As a person inhales, air and scent molecules move past the smell receptors in the nose. In turn, the smell receptors relay a signal to the brain. Smells can trigger memories and emotional responses.

Update Date 8/12/2013

Related MedlinePlus Health Topics