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The "" helps in equalising the pressure ...

The `"____"` helps in equalising the pressure on either sides of the eardrum.

A

A)cochlear nerve

B

B)malleus

C

C)incus

D

D)eustachian tube

Text Solution

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The correct Answer is:
D
The eustachian tube controls the pressure within the middle ear, maintaining pressure equal to outside the body. It is a canal that connects the middle ear to the nasopharynx, which consists of the upper throat and the back of the nasal cavity.
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