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What is placenta mention its role during pregnancy(3 marks) |
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Answer» Placenta is a long tube like structure that joins embroy to uterus wall and it also provide required nutrition and water to embroy for it\'s development by taking from uterus wall . Placenta also help in exchange of gases. Placenta is a disc like structure embedded in the uterine wall during gestation period. Though placenta wastes travel from foetus to the mother\'s blood. |
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