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Q10. Define is placenta and mention its functions.


A structural and functional unit between developing embryo (foetus) and maternal body called placenta.

❖ Provides nutrients and oxygen to the developing embryo.
❖ Removes C02 and waste materials from the embryo.
❖ Acts as an endocrine tissue and produces several hormones like human chorionic gonadotropin (hCG), human placental lactogen (hPL), estrogens, progesterones that are essential to maintain pregnancy.

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