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Doctors Medicines MCQs Q&A

  1. Divide the nasal cavity
  2. Allows for expansion or contraction of the trachea
  3. Provide a surface for the sense of smell
  4. All of the above
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1 Answers

Answer: Option 2

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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