The C shape of the tracheal cartilage is important because

A. Divide the nasal cavity

B. Allows for expansion or contraction of the trachea

C. Provide a surface for the sense of smell

D. All of the above

Answer: Option B

Solution(By Examveda Team)

The cartilaginous rings are C-shaped to allow the trachea to collapse slightly at the opening so that food can pass down the esophagus.

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