The umbilical vein carries
A) waste and carbon dioxide toward the placenta.
B) oxygen and nutrients toward the fetus.
C) waste and carbon dioxide toward the fetus.
D) oxygen and nutrients toward the placenta.
Correct Answer:
Verified
Q53: During the eighth and ninth months,
A)the testes
Q54: A woman is clinically pregnant when fertilization
Q55: The umbilical cord contains
A)the fetal intestine.
B)two umbilical
Q56: At the placenta,
A)oxygen enters the fetal circulation.
B)nutrients
Q57: During the eighth week
A)all organ systems have
Q59: If the neural tube does not close
Q60: During the fifth through seventh months,
A)the sex
Q61: The tissues of the gonads are indifferent
Q62: What is cryptorchidism?
A)Failure of ovary development
B)Vagina does
Q63: Placental peptide hormones cause maternal
A)increase in blood
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