Q5 of 33 Page 92

Fill in the blanks with suitable words. Then give reasons why the words are suitable. (AS 1)

The ear drum is the ……………….

The ear drum is the tympanic membrane.

Explanation-


The eardrum is the tympanic membrane that transmits sound waves to the tiny ossicles of middle ear (from pinna) that further transfer the amplified waves to tiny hair cells in cochlea of inner ear and the sound is then interpreted by the brain.


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