What is placenta? Mention its role in pregnancy
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Placenta is a tissue formed by the cells from the embryo and the mother. It is formed at around 12 weeks of pregnancy and becomes an important structure for nourishment of the embryo
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Placenta is fhe point of attachment of the foetus with the mother
Placenta contains the blood cappilaries of foetus which helps in the exchange of respiratory gases nutrients nitrogenous wastesetc between mother's blood and foetal blood.
Placenta contains the blood cappilaries of foetus which helps in the exchange of respiratory gases nutrients nitrogenous wastesetc between mother's blood and foetal blood.
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