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

An embryo attaches to the uterine wall. Uterine wall is spongy and imbibes the embryo.

At the place of contact between the embryo and uterine wall, the embryo develops villi and mother’ uterine wall develop the rich supply of vessels. We call this Flat like structure Placenta.

Exchange of nutrition, oxygen, carbon dioxide and waste material happens through the placenta and the developing embryo gets the nutrition.

Photo Credit CNX.

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