State the changes that take place in the uterus when:
(a)implantation of embryo occurred
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uterus wall becomes thick when embryo is implanted also it is surrounded by large number of capillaries and rich supply of oxygen and blood it provide an adjustment to the embryo and also nutritions body receives a nitrogenous waste from the embryo the nitrogenous waste from the body is received through placenta change occur during implantation of embryo in uterus
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The changes that take place in the uterus subsequent to implantation of young embryo. A special tissue called placenta develops which connects embryo to the uterine wall that provides nutrients and oxygen to it.
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