Adoorbell converts electrical energy into sound, and when the sound waves hit the eardrum in the middle ear, the eardrum starts to vibrate. Given these facts, when a doorbell rings, what part of the body vibrates among the following options:
- organ
 - legs
 - nerves
 - arm
 - cells
 - eye
 - eardrum
 - Limbs


 

       eardrum  