Which respiratory organ features a cardiac notch?
A)right lung
B)left lung
C)right primary bronchus
D)left primary bronchus
E)both left lung and left primary bronchus

Question

Quizplus · Accepted Answer

The left lung features a cardiac notch, which is a concave impression on the medial surface of the lung caused by the presence of the heart. The right lung does not have this feature. The primary bronchi do not have a cardiac notch.

Which Respiratory Organ Features a Cardiac Notch