The human voice can make an extraordinary number of different sounds. Humans produce sound using their voice box and then passing it through their mouth. By tightening the vocal chords humans can increase the pitch of the sounds they make. Listen to the Minutes and count the number of different sounds the human voice can produce, from a hiss and a whisper, to a song and a roar.

Describe the different sounds that are produced by the human voice.

Why do we create these sounds with our voices?