What is a Placenta ?

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asked Jan 11 in Class X Science by navnit40 (-4,280 points)

What is a Placenta ? How is it formed ? What are its functions ?

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answered Jan 11 by aditya23 (-1,733 points)

The placenta is an organ composed of blood capillaries, villi, connecting tissue and latent endocrinal cells. It is formed by the union of uterine endometrial tissue, chorion and allantois (embryonic tissue). It is attached to the wall of the uterus and through it, exchange of nutrients, hormones, respiratory gases and urea occurs between the foetal and maternal circulation.

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