Study the same and then answer the questions that
follow :
(i) Name the part labelled 1.
(i) Mention any two functions of the part labelled 2.
(ii) Explain the role played by the part labelled 3.
(iv) What is the name of gestation period (in days)
of the developing foetus ?
(2009)
(V) What is the role of the umbilical cord in the
development of the foetus?
(vi) Name the part in the diagram which is endocrine
in nature.
(2007)
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Explanation:
1) umbilical cord
2) inward diffusion of O2 to foetus and in the outward diffusion of nitrogenous waste from the foetus to the mother's blood
3)prevents sticking of the foetus to the amnion
4)280 days
5)inward diffusion of oxygen to foetus
6)placenta
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