Q. What is the name of the narrow tube, that leads to pharynx in the middle ear called?

A
Endolymph
B
Eustachian tube
C
Otoliths
D
Cochlea
Solution:

The eustachian tube is a canal that connects the middle ear to the nasopharynx, which consists of the upper throat and the back of the nasal cavity. It controls the pressure within the middle ear, making it equal with the air pressure outside the body.

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