Human auditory system
Explore the intricate and inredibly complicated mechanism of converting acoustic vibrations to electrical nerve signals.

Tonal perception

Sound is amplified and transformed into nerve signals by mechanically activated hair cells emitting glutamate neurotransmitter in a basilar membrane in the cochlea of the human inner ear. It happens in a spiral organ with 2.5 coils of tonotopically organized bone tissue resonating with different frequencies in its different locations.