GK
HUMAN BODY AND REPRODUCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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oxygen
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carbondioxide
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waste and nutrients
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all of above
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Detailed explanation-1: -The placenta allows nutrients and wastes to be exchanged between the mother and fetus. The fetus is connected to the placenta through the umbilical cord.
Detailed explanation-2: -The placental membrane is where the mother and fetus exchange gases, nutrients, etc. The membrane forms by the syncytiotrophoblast, cytotrophoblast, embryonic connective tissue (Wharton’s jelly), and the endothelium of fetal blood vessels.
Detailed explanation-3: -The placenta is composed of two different surfaces, the maternal surface, facing the towards the outside, and the fetal surface, facing towards the inside, or the fetus. On the fetal surface, we can observe the umbilical cord, the link between the placenta and the fetus. amniotic membrane.