Which of the following consists of a thin membrane in the ear that starts vibrating on receiving sound waves?
A
Pinna
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B
Eardrum
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C
Ear canal
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D
Cochlea
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Solution
The correct option is B Eardrum The eardrum consists of a thin membrane called tympanic membrane, which receives sound, and starts vibrating. Its primary function is to transmit the sound from the air to the bones present inside the middle ear.