The umbilical vein contains blood that has:
A) a high level of carbon dioxide and nutrients
B) a high level of oxygen and nutrients
C) a high level of oxygen and waste products
D) a high level of carbon dioxide and waste products
Correct Answer:
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Q12: The portion of the blastocyst that contains
Q23: Which of these embryonic structures is NOT
Q28: In the gestation period, the period of
Q32: In the early embryo, the nervous system
Q35: The embryonic membrane that forms the fetal
Q37: Normal implantation of the blastocyst takes place
Q48: In the placenta:
A)fetal blood moves into maternal
Q54: For the embryo, the yolk sac:
A)provides a
Q56: For the embryo, the chorion:
A)contains fluid and
Q59: The site of exchanges between maternal blood
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