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Reaching The Age Of Adolescence

Question

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List the changes in the body that take place at puberty.

Solution

The changes that take place in the body at age of puberty are:

(i) Increase in height.

(iii) Change in body shape..

(iv) Change in voice.

(v) Incresed activity of sweat and sebaceous gland.

(vi) Development of sex orgnans.

(vii) Development of secondary sexual charater like fascial hair in boys and breasts in females.

(viii) Attaining the mental, intellectual and emotional stability.

Some More Questions From Reaching The Age of Adolescence Chapter

What are sex hormones? Why are they named so? State their function.

Choose the correct option.

Adolescents should be careful about what they eat, because

Choose the correct option.

Reproductive age in women starts when their

Choose the correct option.

The right meal for adolescents consists of

Write notes on :

Adam’s apple.

Write notes on :

Secondary sexual characters.

Write notes on :

Sex determination in the unborn baby.

Word game : Use the clues to work out the words.

Across

3. Protruding voice box in boys

4. Glands without ducts

7. Endocrine gland attached to brain

8. Secretion of endocrine glands

9. Pancreatic hormone

10. Female hormone

Down

1. Male hormone

2. Secretes thyroxine

3. Another term for Teenage

5. Hormone reaches here through blood stream

6. Voice box

7. Term for changes at adolescence.

The table below shows the data on likely heights of boys and girls as they grow in age. Draw graphs height and age for both boys and girls on the same graph paper. What conclusions can be drawn from these graphs?

Age Year

Height (cm)

Boys

Girls

0

4

8

12

16

20

53

96

114

129

150

173

53

92

110

133

150

165

What is the phase of life when the body undergoes changes to attain reproductive maturity called?

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