Check sibling questions


How is sound produced by Humans

It is produced by voicebox (called larynx)

It is at upper end of windpipe

There are 2 vocal cords attached to it

There is narrow gap between them from where air can pass


Process followed

When we are not talking, vocal cords are far apart from each other

But when we start talking, vocal cords come together leaving only a narrow gap

Air passed through this narrow gap in vocal cord

This makes vocal cords vibrate and sound is produced


How does voice depends upon length of vocal cords?

In men, vocal cords are long (20 mm in men), producing heavy voice

In women and children, vocal cords are shorter (15 mm in women), producing shrill voice

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CA Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Accounts and English at Teachoo