Question

it is essential to change the tension on the vocal cord as we produce different sound notes from larynx. Give scientific reason​

Answer 1

1.because the voice depends on the size and shape of the vocal cord .

2.the pitch of the children is very hight because his/her vocal chords are thin and long but in adult the vocal chords are short and thick that's why the adult has a deep voice

Answer 2

Different sound notes corresponds to frequencies. The frequencies of the sound depends on the tension in the vocal cords hence, it is essential to change the tension on the vocal cords, as we produce different sound notes from our larynx.