The C shape of the tracheal cartilages is important because
A) it facilitates turning of the head.
B) large masses of food can pass through the esophagus during swallowing.
C) large masses of air can pass through the trachea.
D) A, B, and C
E) A and B only

Question

Quizplus · Accepted Answer

The C shape of the tracheal cartilages allows the esophagus, which is located posterior to the trachea, to expand as food passes through it during swallowing.

The C Shape of the Tracheal Cartilages Is Important Because