1
Warms, moisturizes, and filters air entering the body
2
The diaphragm contracts and the chest expands
3
The diaphragm relaxes, the chest contracts
4
Muscles that contracts and relaxes to help pump air in and out of the lungs
5
Also known as the throat and it connects the nasal and mouth cavity with the esophagus
6
Also known as the windpipe
7
Action we do even if we are sleeping
8
What we breathe
9
Also known as the voice box, because it has the vocal cords
10
Main organs of the respiratory system
