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Home  >>  JEEMAIN and AIPMT  >>  Biology  >>  Human Physiology
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The ear ossicles increase the efficiency of transmission of sound waves to the inner ear. An __________________ (G) connects the middle ear cavity with the pharynx. The _____________________ helps in equalising the pressures on either sides of the ear drum. The coiled portion of the labyrinth is called _____________ (F).

image
( a ) Eustachian tube; middle ear cavity; cochlea
( b ) Eustachian tube; Eustachian tube; cochlea
( c ) internal auditory canal; Eustachian tube; cochlea
( d ) internal auditory canal; middle ear cavity; vestibule
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(B) is the right answer.

The ear ossicles increase the efficiency of transmission of sound waves to the inner ear. An Eustachian tube connects the middle ear cavity with the pharynx. The Eustachian tube helps in equalising the pressures on either sides of the ear drum.
answered Mar 26, 2014 by pady_1
 

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