Respiratory System

The respiratory system includes:
Mouth and Nose  
Trachea
Lungs and Other Airways

Mouth and Nose (top)

Trachea (top)

Lungs and Other Airways (top)

*Pictures and information taken from: http://www.vetmed.wsu.edu/cliented/anatomy.aspx
and http://www.hillspet.com/hillspet/utilities/selectLanguage.hjsp