Cochlea

Summary: As the fluid (liquid) inside the cochlea moves, the hairs inside the cochlea also move. Specialized Cells at the base of the hairs (see Figure 2) change this movement into electrical signals. When these signals reach the brain, they are turned into sounds. Tags: science student-book-7 physics Created: 2026-05-21 Last Updated: 2026-05-21

Cochlea

As the fluid (liquid) inside the cochlea moves, the hairs inside the cochlea also move. Specialized Cells at the base of the hairs (see Figure 2) change this movement into electrical signals. When these signals reach the brain, they are turned into sounds.

Source

This concept is from the [Science Student Book 7](Science Student Book 7/Physics/Sound/2.4 Detecting sound.md), Physics section.