Human: The World Within
Sense
Our Sense of Smell
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.
Episode Clips

The Human Body's Five Senses
An introduction into the amazing functions of the human body's five senses.

Proprioception - The Sixth Sense
Proprioception allows us to recognize where our bodies are physically exist in space.

The Adaptive Quality of Our Senses
When we lose one of our senses, others fill the void to process the lost information.