Changes

[[File:Trachea.png|right|200px|thumb|A diagram showing the [[trachea]].]]

The [[trachea]] is a [[cartilage]] covered tube connecting the [[mouth]] to the [[Lung|lungs]].

===Adaptations of the Trachea===

: The [[trachea]] is covered in [[cartilage]] to stop it from closing when the lungs take in [[Oxygen]].