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It can stick to the vocal chords and change the pitch at which they vibrate.
By adjusting the tension in the vocal chords.
The pitch of someone's voice is controlled by the tension on the vocal chords
Men's and women's vocal chords are different lengths, mostly men's being longer than women's. When speaking, singing, humming, etc., longer vocal chords vibrate more slowly, creating a lower pitch, and vice versa for higher pitches.
Vocal Chords?
Your vocal chords are tense during the inhalation
Animals DO have vocal chords.
i think vocal chords work when the flaps of the vocal chords are pushed together to make a noise, then your mouth forms it into words.
A domestic cat has over one hundred vocal chords, so can make a huge variety of different meows, squeaks, chirps and yowls.
Because Helium is lighter than the oxygen and other gases we breathe, when it passes through your vocal chords, it makes them vibrate quicker than the heavier gases like Oxygen-(8) and such. So because they cause your vocal chords to vibrate quicker, it tightens up your vocal chords and makes the pitch of your voice go up.
Yes, durng puberty, there is a lot of change done to the vocal chords. So the voice changes.
helium is less dense than the normal air we breathe, so when you breathe helium out and your vocal chords vibrate, it comes out in a higher pitch tone.