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  • Digestive System: Alimentary Canal Anatomy & Processes
  • Which structure closes the tracheal opening when the food...
Multiple choice

Which structure closes the tracheal opening when the food is swallowed?

  1. Gullet

  2. Sphincter muscles

  3. Epiglottis

  4. Internal nares

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

It prevents food from going into the trachea by closing it during swallowing.

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