What is placenta? Mention its role during pregnancy.
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plancenta is the tube like structure which to connected between the mothers womb and the baby
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Placenta is a disc like spherical structure made by some specialised tissues which develop in the mother's womb after implantation. It is connected to the growing baby by umbilical cord which helps in tro and fro exchange of important materials and also help in performing various metabolic activities.
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