Where does the eustachian tube lead in a frog?

Eustachian tube in frog leads to the lateral wall of the nasopharynx

Explanation:

Eustachian tube is known to be canal or tube that connects that join the middle ear to the nasopharynx. Thus, Eustachian tube functions by controlling the pressure within the middle ears by making the air pressure in the middle ear to be equal to the outside body. However, Eustachian tube in frog leads to the lateral wall of the nasopharynx by originating or extending from the anterior wall of the middle ear.