answersLogoWhite

0

The air is:

- heated (to body temperature)
- cleansed (foreign particles attach to the mucosa of the nasal cavity and thusly removed before they reach the lungs).
- moistened (the humidity of the air increases)

All of these mechanism are designed to help the lungs to a better supply of air.

User Avatar

Wiki User

15y ago

What else can I help you with?