Air passes several structures once taken in. What is the last structure it passes through before entering the trachea?

  1. Oropharynx
  2. Epiglottis
  3. Cricoid cartilage
  4. Vocal cords
Explanation

Answer: C - After passing several organs, the final body part that air passes through prior to entering the trachea is the cricoid cartilage. The order is: oropharynx, epiglottis, glottic opening, vocal cords, cricoid cartilage, trachea.

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