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प्रश्न
The diagram given below is that of a developing human foetus in the womb. Study the same and then answer the questions that follow:
- Name the parts '1' to '5' indicated by guidelines.
- What term is given to the period of development of the foetus in the womb?
- How many days does the foetus take to be fully developed?
- Mention two functions of the parts labelled ‘2’ other than its endocrine function.
- Name the hormone (anyone) produced by the part labelled ‘2’.
- What is the function of the part marked ‘3’?
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उत्तर
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- Umbilical cord
- Placenta
- Amniotic fluid
- Cervix
- Uterus wall
- Gestation period.
- 280 days.
- It provides nutrition and the exchange of respiratory gases by diffusion.
- Prevents foetuses from jerks and shocks. It also prevents the foetus from sticking to the uterine wall.
Notes
Student should refer their answer according to their question
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संबंधित प्रश्न
What is the significance of amniotic fluid?
Name the following:
The fluid surrounding the developing embryo
Name the following:
The membrane which protects the foetus and encloses a fluid
Give appropriate terms for the following:
Rupture of follicle and release of ovum from the ovary.
State whether the following statements are TRUE (T) or FALSE (F):
Rewrite the wrong statement by correcting only one word either at the beginning or at the end of the sentence.
Fertilisation occurs in vagina.
Name the following:
The structure which connects the placenta and the foetus.
Name the Following
A hollow pear-shaped muscular organ that holds, nourishes and protects the fetus.
All are functions of placenta, EXCEPT ______.
In human beings, the placenta is formed by ______.
Which of the following cannot pass readily through the placenta to the foetus?
