Multiple choice

Which canal connects the tympanic cavity to the pharynx?

  1. Tympanic canal

  2. Vestibular canal

  3. Eustachian canal

  4. Auditory canal

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

Eustachian canal is a narrow canal connecting the tympanic cavity to the pharynx. It maintains the air pressure in the tympanic cavity. Its opening into the pharynx is guarded by a valve.