consists of a thin membrane in the ear that starts vibrating on receiving sound waves.
A
Eardrum
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B
Pinna
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C
Cochlea
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Solution
The correct option is A Eardrum The eardrum consists of a thin membrane called tympanic membrane. As the sound waves enter the eardrum, it starts to vibrate. Its primary function is to transfer sound waves from the outer ear to the inner ear.