Answer: middle ear cavity, tympanic membrane (eardrum)
Explanation:
The pharyngotympanic tube is the tube that connects the cavity of the middle ear to the nasopharynx. This tube is also called a eustachian tube. This tube aerates the middle ear and clears the mucus from the middle ear passes into the nasopharynx. Â
The pharyngotympanic tube connects the tympanic membrane with the nasal cavity or nasopharynx. It equalize the air pressure between the middle ear and the throat.
