TED-ED: How do we smell? - Rose Eveleth

The video explores the sense of smell, highlighting its importance and complexity. It explains how smell works through the olfactory epithelium and receptor neurons, and how the brain processes these signals. The video also discusses variations in smell perception among individuals, including conditions like anosmia, and how smell is closely linked to taste. It concludes by emphasizing the unique and powerful nature of our olfactory system.

What is anosmia and what are some causes of it?

Explain how the sense of smell is related to the sense of taste.