Q773
The C shape of the tracheal cartilage is important because
A.
Divide the nasal cavity
B.
Allows for expansion or contraction of the trachea
AnswerC.
Provide a surface for the sense of smell
D.
All of the above
Answer: Option B
Solution
Answer: Option B
Solution:
The cartilaginous rings are C-shaped to allow the trachea to collapse slightly at the opening so that food can pass down the esophagus.