Sound waves are converted into mechanical movements by the

a. auditory ossicles

b. oval window

c. Round window

d. tympanic membrane

Answer is tympanic membrane

Explanation:

The tympanic membrane otherwise called the ear drum is a membrane shaped like a cone, it connects the outside to the inner ear, it serves to convert vibration from air into fluid membrane vibration a good example of mechanical waves for onwatd transmission into the cochlea of the inner ear through the oval window