Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1-25918-813-2
ISBN 13: 978-1-25918-813-8

Chapter 49 - The Circulatory System - Figure 49.2 - Inquiry Question: 1

Answer

Erythropoietin increases the number of blood cells and, thus, the oxygen-carrying capacity of the blood. This would result in an unfair advantage in sports competitions for users of this substance.

Work Step by Step

More red blood cells means more oxygen transport. Someone who gets this by cheating through the use of erythropoietin can exercise harder and beat non-cheaters.
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