Eustachian tube connects :-

Eustachian tube helps to

Eustachian tube helps to

Eustachian tube helps to

In devalopment, Eustachian tube is

In devalopment, Eustachian tube is

What is Eustachian tube? Give its function.

Read the following statements STATEMENT A: Middle ear, which is filled with endolymph contains three ossicles which increases the amplitude of sound. Statement B :Eustachian tube helps in equalising the pressure on either side of ear drum