Multiple Choice
Which of the following contributes to gas exchange in the human fetus?
A) the lower blood pH of the embryo
B) the lack of turbulence in fetal blood
C) the high oxygen levels maintained in the amniotic fluid by the placenta
D) the stronger attraction, when compared to adult hemoglobin, that fetal hemoglobin has for oxygen
Correct Answer:

Verified
Correct Answer:
Verified
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