The nasal cavity is a hollow chamber found deep to the nose, divided by a middle septum.

Functions
- Orifice for air intake (breathing)
- Air processing (moistening, warming up, cleaning)
- Olfactory (sense of smell)
- Drainage for air sinuses and ducts
- Proper speech (resonance)
Borders
The borders of the nasal cavity are regarded to the bones that surround it.
| Superior | Frontal bone Body of the sphenoid Ethmoid bone |
| Inferior | The horizontal plate of the palatine bone The palatine process of the maxilla |
| Medial | Vomer The nasal spine of the frontal bone Perpendicular |
