Use the diagram above to answer the following questions.
-Identify the letter that indicates the soft portion of the wall of the trachea that allows the esophagus to expand anteriorly.
A) A
B) B
C) C
D) D
E) E

Question

Use the diagram above to answer the following questions.
-Identify the letter that indicates the soft portion of the wall of the trachea that allows the esophagus to expand anteriorly.
A) A 
B) B 
C) C 
D) D 
E) E

Quizplus · Accepted Answer

Letter B indicates the trachealis muscle, which is the soft portion of the trachea that allows the esophagus to expand anteriorly during swallowing.

Use the Diagram Above to Answer the Following Questions