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What is menstruation? Explain.
Menstruation is the bleeding in women because of the shedding of the thick lining of the uterus. the walls of the uterus shed when the fertilization does not take place. Menstruation occurs once in about 28 to 30 days.
Prepare a Table having two columns depicting names of endocrine glands and hormones secreted by them.
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 |
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