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How does the embryo get nourishment inside the mother’s body?


The embryo gets nourishment by the placenta. The walls of the uterus get thick in width and when the embryo gets attached to it, the outer layer of the uterine wall covers the whole embryo. These walls are richly supplied by the blood vessels.

Placenta is a specialised structure present which has villi which helps in transfer of food, waste and gases in and out from mother to embryo.