A - (1) Umbilical cord
B - (2) Placenta
C - (3) Embryo

A-3, B-2, C-1

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A-1, B-2, C-3

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A-2, B-1, C-3

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A-3, B-1, C-2

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Solution

The correct option is C A-2, B-1, C-3
In the given image, Apart is a placenta, B part is umbilical cord and C part is embryo or foetus. Placenta connects the developing embryo to the uterine wall. It allows nutrient uptake, waste removal, exchange of gases via the mother's blood. Umbilical cord is the connection between the placenta and the developing embryo. It allows the exchange of blood with the mother.
Thus, the correct answer is 'A-2, B-1, C-3.'

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