What is placenta? State its function in human female.

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Solution

The placenta is a special umbilical cord that develops in the fourth week of pregnancy.
It establishes an intimate connection between the foetal membrane and the uterine wall.Function of placenta:
The exchange of materials between the mother's blood and the blood of foetus takes place through the placenta.
It serves as a nutritive, respiratory and excretory organ of the foetus.

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