Placenta connects baby with mother’s body. It is a disc-like structure embedded in the uterine wall. It is a special tissue formed by the interlocking of two sets of villi, one set given by wall of the uterus and another set from the embryo. It is the site of exchange of materials between the blood of mother and baby. It provides nutrients, oxygen from mother to foetus and removes excretory substances, carbon dioxide from the foetus.
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