A complex cartilaginous structure surrounding the upper end of the trachea is called:
Correct answer: B. Voice box
- A. Glottis
- B. Voice box
- C. Epiglottis
- D. Vocal cords
Explanation
The voice box or larynx is located at the upper end of the trachea. It is a hollow chamber with cartilaginous walls and contains a pair of vocal cords.
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