NCERT Solution for Class 10 Science Chapter 8
How do Organisms Reproduce?
NCERT Books for Session 2020-2021
CBSE Board and UP Board
Exercises Questions
Page No-140
Questions No-3
What are the changes seen in girls at the time of puberty?
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Secondary sexual characteristics in girls:
• Increase in breast size and darkening of skin of the nipples present at the tips of
the breasts.
• Appearance of hair in the genital area.
• Appearance of hair in other areas of skin like underarms, face, hands, and legs.
• Increase in the size of uterus and ovary.
• Beginning of menstrual cycle.
• More secretion of oil from the skin, which results in the appearance of pimples.
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At the time of puberty, secondary sexual characters develop and sexual maturity takes place. This is manifested by many changes in both girls and boys. Some of the changes seen in girls at the time of puberty are as follows:
a) Voice becomes thin
b) Breasts enlarge
c) Hips become rounded
d) Hairs grow under the armpit and in pubic area
The various changes occur in girls at puberty are :
Changes seen in girls at the time of puberty are:
(i) Mammary glands develop and increase in size.
(ii) Menstruation starts.
(iii) Hairs grow in armpits and pubic regions.
(iv) Extra fat deposited in thighs and hips and in other body parts.