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Humans are able to hear because of the v...

Humans are able to hear because of the vibration of a stretched thin membrane. This membrane is called eardrum.
If elasticity of the eardrum is loosened, then

A

it will vibrate rapidly

B

it will not vibrate properly

C

inaudible sound can be heard

D

sound cannot be heard at all

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Assertion : Hair cells on the basilar membrane (organ of Corti) are responsible for hearing. Reason : Pressure waves, which begin at the oval windows, cause the basilar membrane to vibrate so that the cilia of the hair cells touch the tectorial membrane. This causes the hair cells to initiate nerve impulses, which are carried by the auditory nerve to the brain.

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