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A developing fetus obtains oxygen from its mother's blood. In an organ called the placenta, fetal capillaries run through and exchange substances with maternal blood. The hemoglobin made by a fetus has different properties than that made after birth. At low oxygen levels, fetal hemoglobin binds oxygen more strongly than normal hemoglobin does. How does fetal hemoglobin's somewhat higher affinity for oxygen benefit a fetus?

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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332
BuyFind

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332

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Chapter
Section
Chapter 38, Problem 2CT
Textbook Problem

A developing fetus obtains oxygen from its mother's blood. In an organ called the placenta, fetal capillaries run through and exchange substances with maternal blood. The hemoglobin made by a fetus has different properties than that made after birth. At low oxygen levels, fetal hemoglobin binds oxygen more strongly than normal hemoglobin does. How does fetal hemoglobin's somewhat higher affinity for oxygen benefit a fetus?

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