Question

fill in the blank question sound waves that enter the external acoustic meatus cause the membrane to vibrate back and forth, reproducing the vibrations of the sound - wave source. 16 of 71 concepts completed need help? review these concept resources.

Explanation:

Sound waves entering the external acoustic meatus cause the tympanic membrane (eardrum) to vibrate back - and - forth, reproducing the vibrations of the sound - wave source.

Answer:

tympanic