ALSO A BODY PART
'(<a href="http://www.j-archive.com/media/2006-01-25_J_25.jpg" target="_blank">Kelly of the Clue Crew takes apart a microphone.</a>)  A basic part of any microphone is <a href="http://www.j-archive.com/media/2006-01-25_J_25a.jpg" target="_blank">this</a> thin metal disk that vibrates in response to sound; it's also a body part'
diaphragm