Which of the Following Occurs in the Placenta

question 50

Multiple Choice

Which of the following occurs in the placenta?

• A) All substances in maternal blood that may be harmful to the fetus are prevented from moving across the walls of the villi.
• B) Fetal blood and maternal blood mix.
• C) Eroding blood vessels in the endometrium bathe chorionic villi in pools of maternal blood.
• D) Hormones are absorbed to prevent them from influencing the developing fetus.
• E) The amnion and the chorion grow into the endometrium.

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