This is an alternate content page containing a Labeling Activity. It has opened in a new window.
The activity has a picture. Areas in the picture are labeled. This activity requires that you match the text label with the appropriate labeled area of the image. Here is a list of the labels:

Esophagus
Ascending Aorta
Descending Aorta
Rt Hilum
SVC
Pulmonary Trunk
Rt Pulmonary Artery
Lt Pulmonary Artery
Rt Mainstem Bronchus
Lt Mainstem Bronchus