Principles of Anatomy and Physiology 14e with Atlas of the Skeleton Set (14th Edition)

Published by Wiley
ISBN 10: 1-11877-456-6
ISBN 13: 978-1-11877-456-4

Chapter 23 - The Respiratory System - Figure 23.19 - Page 869: 2

Answer

The affinity of hemoglobin for oxygen decreases as pH falls in the blood of one who is exercising. This causes relatively more oxygen to dissociate from oxyhemoglobin.

Work Step by Step

The availability of more oxygen is beneficial for muscles that are working; it will facilitate more energy generation and prolong muscular effort.
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