In human audition, the vibration of the ossicles is triggered by vibration of the and transmitted directly to the . a. auditory nerve; tympanic membrane b. oval window; auditory nerve c. tympanic membrane; oval window d. eardrum; oval window e. eardrum; tympanic membrane

Explanation:

1. The eardrum:  which separates the ear canal  from middle ear. The eardrum, is also known by the name, tympanic membrane.

2. Function:  eardrum  is involved in hearing.

3. Sound waves cause eardrum to vibrate.

4. In human audition, the vibration of the ossicles is caused by vibration of the eardrum and transmitted directly to the oval window.

5.  so ans is eardrum; oval window.

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