functi 2. 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? 3. Icefish live in the extremely cold ocean near Antarctica.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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functi
2. 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?
3. Icefish live in the extremely cold ocean near Antarctica.
Transcribed Image Text:functi 2. 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? 3. Icefish live in the extremely cold ocean near Antarctica.
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