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Question
Mention any two changes that are common to both boys and girls in early teenage years.
Solution
Two changes that are common to both boys and girls in early teenage years are:
- Thick hair growth in armpits and genital area.
- Skin becomes oily, may result in pimples.
RELATED QUESTIONS
State the changes that take place in the uterus when Female gamete/egg is not fertilised
Write the names of male sex hormone?
Write the names of female sex hormones.
What is gestation period? How much is the gestation period in humans?
The male gametes in a flower and in a human are produced respectively in :
(a) stigma and ovary
(b) anther and style
(c) ovary and testes
(d) anther and testes
The diagram below represents two reproductive cells A and B. Study the same and then answer the questions that follow:
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- Identify the reproductive cells A and B.
- Name the specific part of the reproductive system where the above cells are produced.
- Where in the female reproductive system do these cells unite?
- Name the main hormones secreted by the (1) ovary (2) testes.
- Name an accessory gland found in the male reproductive system and state the function of its secretion.
Name the following:
Organ where implantation takes place.
Answer the following question:
Why are family planning measures needed in our country?
Explain the term Parturition or birth.
Mention the importance of the position of the testes in humans.
