contestada

While at an amusement park, you inhale helium from a balloon to make your voice higher pitched. a friend says that helium reacts with and tightens the vocal cords to make your voice have the higher pitch. could he be correct? why or why not?

Respuesta :

yes it could be when you breath in helium it is not normal air so,it goes around your voice box and makes it change and it will go away after a 1