What is placenta ? Write its two functions
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Placenta is the disk like structure present in the uterine wall. It provides nutrition and oxygen to the embryo for its development.it consists of thread like structures Called cilia which joins the embryo to the uterus and the cilia at the other side receives excretory wastes from the embryo
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placenta is the circular organ present in the uterus of pregnant mammals which is required for the nourishment and maintenance of the fetus it perform various functions like nutrition, respiration and excretion
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