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प्रश्न
The diagram given is that of a developing human foetus in the womb. Study the same and then answer the questions that follow:
(i) Name the parts '1' to '6' indicated by guidelines.
(ii) What term is given to the period of development of the foetus in the womb?
(iii) How many days does the foetus take to be fully developed?
(iv) Mention one function of the part labelled '2'.
(v) What is the function of the part marked '5'?
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उत्तर
(i)
(ii) The period of development in the womb is called gestation.
(iii) Full development takes about 280 ± 7 days (approximately 40 weeks).
(iv) The placenta enables the exchange of nutrients and oxygen from the mother to the developing foetus, and the removal of foetal wastes.
(v) The amniotic cavity contains amniotic fluid, which cushions and protects the foetus from shocks.
