This topic covers the pathway of air into the lungs. You need to be able to identify and understand the function of the nasal cavity, trachea, bronchi, bronchioles, lungs and alvioli.

Lesson Content
This topic covers the pathway of air into the lungs. You need to be able to identify and understand the function of the nasal cavity, trachea, bronchi, bronchioles, lungs and alvioli.