# What is the nasal cavity?

The nasal cavity is called the nasal cavity. Gray's Anatomy (1918) describes it as the large air-filled space behind the nose.

## What it means

- The large air-filled space behind the nose.
- Divided in the midline by the nasal septum.
- Warms, moistens, and filters incoming air.

## Action steps

1. Above the roof of the mouth and below the base of the skull.
2. Opens in front through the nostrils and behind into the nasopharynx.
3. Its walls carry three curved shelves called conchae.

## Sources

- [Gray's Anatomy of the Human Body (1918)](https://www.bartleby.com/107/)

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