Explain a child produce a higer pitches sound compared to that of an adult
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Explanation:
The pitch of the sound produced is controlled by how tightly the vocal cord muscles contract as the air from the lungs hits them. ... That's why his voice is higher than an adult's. But as he goes through puberty, the larynx gets bigger and the vocal cords lengthen and thicken, so his voice gets deeper
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because when we are child the larynx is short and when we grow the larynx grow bigger. This change is more in boys then girls
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