What is the path of air in the respiratory system.

The path of air in the respiratory system:

1.) nasal/oral cavities (starts here)
2.) pharynx
3.) trachea
4.) primary bronchi
5.) secondary bronchi
6.) tertiary bronchi
7.) bronchioles
8.) alveoli (ends here)

By placing 2 fingers at the sternum (the spot where the lower ribs meet) the put the heel of your other hand next to your fingers. hope this