Question

Describe Placenta in 500 words​

Answer 1

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The placenta is a temporary fetal organ that begins developing from the blastocyst shortly after implantation. It plays critical roles in facilitating nutrient, gas and waste exchange between the physically separate maternal and fetal circulations, and is an important endocrine organ producing hormones that regulate both maternal and fetal physiology during pregnancy. The placenta connects to the baby via the umbilical cord, and on the opposite aspect to the maternal uterus in a species dependent manner. In humans, a thin layer of maternal decidual (endometrial) tissue comes away with the placenta when it is expelled from the uterus following birth.

Answer 2

Answer:

The placenta is a temporary fetal organ that begins developing from the blastocyst ... The word placenta comes from the Latin word for a type of cake, from Greek ... Online Etymology Dictionary.