(a) Explain the changes that occur in the voice box of boys during puberty?
(b) How does it affect their voice?
(b) How does it affect their voice?
a). Secondary sex characteristics in boys
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Under the influence of hormones, larynx grows prominently, vocal cords become longer and thicker, causing the voice to become hoarse.
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Hair starts growing in the frontal region of the genital area.
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Appearance of hair in other areas such as underarms, legs, chest, abdomen, back, and face.
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Enlargement of testicles followed by penis.
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More secretion of oil from the skin, resulting in the appearance of acne.
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Testes grow and start producing sperms.
Secondary sex characteristics in girls
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Increase in breast size and the darkening of the skin of nipples present at the tips of the breasts.
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Appearance of hair in the genital area.
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Appearance of hair in other areas such as underarms, face, hands, and legs.
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Increase in the size of uterus and ovary.
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Beginning of menstrual cycle.
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More secretion of oil from the skin, resulting in the appearance of acne.
b). Change in voice
The voice becomes hoarse in case of males. This is also one of the changes associated with puberty. This occurs because at the time of puberty in boys, the voice box or the larynx begins to grow and protrude from the throat. This is called an Adam’s apple. The enlargement of the larynx makes the voice low pitched and hoarse. In girls, the voice becomes high pitched.
a). Secondary sex characteristics in boys
-
Under the influence of hormones, larynx grows prominently, vocal cords become longer and thicker, causing the voice to become hoarse.
-
Hair starts growing in the frontal region of the genital area.
-
Appearance of hair in other areas such as underarms, legs, chest, abdomen, back, and face.
-
Enlargement of testicles followed by penis.
-
More secretion of oil from the skin, resulting in the appearance of acne.
-
Testes grow and start producing sperms.
Secondary sex characteristics in girls
-
Increase in breast size and the darkening of the skin of nipples present at the tips of the breasts.
-
Appearance of hair in the genital area.
-
Appearance of hair in other areas such as underarms, face, hands, and legs.
-
Increase in the size of uterus and ovary.
-
Beginning of menstrual cycle.
-
More secretion of oil from the skin, resulting in the appearance of acne.
b). Change in voiceThe voice becomes hoarse in case of males. This is also one of the changes associated with puberty. This occurs because at the time of puberty in boys, the voice box or the larynx begins to grow and protrude from the throat. This is called an Adam’s apple. The enlargement of the larynx makes the voice low pitched and hoarse. In girls, the voice becomes high pitched.
