• This link shows an animation of respiration, including the movements of the lungs, rib cage, and diaphragm: http://www.youtube.com/watch?v=EAgdc7fHfVQ
     
    From 2:22-3:22, Bill Nye explains respiration: http://www.youtube.com/watch?v=LWdy1HMZqMQ
     
    From 1:00-3:04, this video explains how phonation works: http://www.youtube.com/watch?v=wYeauSxXSBA