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How is Sound Produced by Human Beings?

Voice Box in Human

Imagine that you are in a hurry. Try to call your friend with a louder voice. Put your hand on your throat and observe what is happening? Do you feel any vibrations?

Sound is produced by the voice box or the larynx in humans.


Swallow the saliva while swallowing put your fingers on the throat.


The part which moves when you swallow is known as voice
box, which is at the upper end of the windpipe. Two vocal cords are stretched across the voice box.


When lungs force air, vocal cords vibrate produce sound. When the vocal cords are tight and thin, the type or quality of voice is different from that when they are loose and thick.

Vocal Cords

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