Digestive System: Alimentary Canal Anatomy & Processes

Casual Mode - Take your time!

1 / 15
Correct
0
Incorrect
0
Score
0%
Multiple Choice

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

  1. Gullet
  2. Sphincter muscles
  3. Epiglottis
  4. Internal nares
Change Mode