What change occur among boys and girls during adolescence?
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Solution
The changes that occur in a girl during adolescence:
They become curvier and the overall fat content of the body increases
Breasts start to develop.
Hips widen---girls even during childhood have wider hips as compared to boys and this difference becomes more evident in adolescence.
In response to rising levels of estrogen, the lower half of the pelvis widens. Fat deposition occurs in the hips, thighs, upper arms, etc. This produces the typical female body shape.
Hair grows in the pubic area, underarm and leg.
Menstruation starts. The first menstrual event is referred to as menarche. The average age of menarche in girls is about 12-13 years.
Hair and skin may turn oily.
A rapid increase in height or growth spurt (girls, in general, reach their adult height by about 16 years of age)
The changes that occur in a boy during adolescence:
The growth of hair on face, body, pubic area, and underarm.
The testis enlarges in size and starts producing testosterone. Rising levels of testosterone promote the growth of the genital organs.
Overall physical growth-- boys develop more muscle tissues, thicker as well as larger bones and broader shoulders.
Increase in size or growth of the penis, testes and scrotum.
Start having a spontaneous nocturnal emission.
The larynx grows and becomes prominent and the voice changes in boys.
a rapid increase in height or growth spurt (boys, in general, reach their adult height by about 18 years of age).