Life: The Science of Biology 11th Edition

Published by W. H. Freeman
ISBN 10: 1-31901-016-4
ISBN 13: 978-1-31901-016-4

Chapter 48 - Gas Exchange - 48.4 - Respiratory Gases Are Transported by the Blood - 48.4 Recap - Learning Outcomes - Page 1038: 2


When the pH of the blood is lowered by a higher rate of metabolism or low oxygen increases BPG levels, hemoglobin will release more oxygen. Fetal hemoglobin facilitates placental oxygen transport because it has adapted to have higher affinity for oxygen, facilitating transport to the offspring in large enough quantities for development.

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