Multiple Choice
The fetus is connected to the placenta by the , whereas the mother is connected to the placenta by the .
A) umbilical cord; system of blood vessels in the uterine wall
B) system of blood vessels in the uterine wall; umbilical cord
C) umbilical cord; amniotic sac
D) amniotic sac; system of blood vessels in the uterine wall
Correct Answer:
Verified
Correct Answer:
Verified
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