Which of the Following Contributes to Gas Exchange in the Human

question 47

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

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