Question

why do break in voice commonly occur in boys during adolescence

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Answer 1

The reason your son's voice occasionally cracks or sounds squeaky is due to the growth of the voice box, or larynx. ... During and after puberty, the voice box is bigger and the vocal cords are thicker and longer than they were before puberty—which explains why post-pubescent boys and men have a deep voice and boys do not.

Answer 2

The reason your son's voice occasionally cracks or sounds squeaky is due to the growth of the voice box, or larynx. ... During and after puberty, the voice box is bigger and the vocal cords are thicker and longer than they were before puberty—which explains why post-pubescent boys and men have a deep voice and boys do not.