Question

Describe in brief tha structure and function of placenta.

Answer 1

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Answer 2

⋆ Structure of Placenta :

• Placenta is a disc - like structure embedded in the uterine wall.

• It contains villi on the embryo's side and on the mother's side there are blood spaces, which surround the villi; this arrangement provides a large surface area for exchange of materials.

⋆ Functions of Placenta :

• It transfers glucose and oxygen from the mother's blood to the foetus.

• It also removes the waste (Co₂ and nitrogenous wastes) generated by the foetus to the mother's blood.

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