BOTH a and b d. The carina is located a. where trachea meets the larynx. BOTH a and b d.
Bronchioles have a smaller diameter than do bronchi.
The right main bronchus is oriented more vertical than the right main bronchus. ALL of the above. True b. False Alveoli are lined by simple columnar epithelium. The heart is anterior to the right and left main bronchi. The trachea is posterior to the esophagus.