Human: The World Within

Our Sense of Smell

Clip: Episode 5 | 1m 2s  | Video has closed captioning.

The experience of smell starts when air molecules meet tiny little hairs in our nasal cavity. These hairs are called cilia, and they trap the incoming fumes so they can be processed.

Aired: 05/26/21

Rating: TV-PG

Problems Playing Video? | Closed Captioning