Which statement about the placenta is true?
A) It forms in the second trimester of pregnancy.
B) It encloses the developing organism in amniotic fluid.
C) It contains one large vein that delivers nutrients to the embryo.
D) It permits food and oxygen to be delivered to the developing organism.
Correct Answer:
Verified
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A)
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A) occurs during the
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A)
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A) the
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