Moderate

The first part of the ear that vibrates in response to incoming sound waves is the _______________?

Correct answer: B. eardrum

  • A. ossicles
  • B. eardrum
  • C. basilar membrane
  • D. tectorial membrane

Explanation

Sound waves first make the eardrum, or tympanic membrane, vibrate; the ossicles then transmit and amplify those vibrations to the inner ear. The basilar and tectorial membranes respond later within the cochlea.

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