Question

Which part of our body vibrates when we speak?

Answer 1

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The vocal cords in our throat vibrate when we speak. ⇒ The voice box is at the upper end of the windpipe. ⇒ Two vocal cords are stretched across the voice box. ⇒ When the lungs force air through the slit, the vocal cords vibrate and produce sound.

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Answer 2

vocal cords

Explanation:

The vocal cords are 2 bands of smooth muscle tissue found in the larynx. The larynx or the voice box is set in the neck at the top of the trachea (windpipe). The vocal cords vibrate and air passes through the cords from the lungs to produce the sound of your voice. The male vocal folds are between 17 mm and 25 mm in length. The female vocal folds are between 12.5 mm and 17.5 mm long. The difference in vocal fold size between men and women means that their voices have a different pitch. Adult male voices are usually deeper than the adult females in human beings. A larger voice box leads to deepening of voice in grown up boys.