Anatomy & Physiology: The Unity of Form and Function, 7th Edition

Published by McGraw-Hill Education
ISBN 10: 0073403717
ISBN 13: 978-0-07340-371-7

Chapter 18 - The Circulatory System: Blood - Study Guide - Testing Your Recall - Page 706: 6

Answer

d. erythrocytes

Work Step by Step

Erythrocytes (RBCs) contribute the most to the viscosity of blood. Whole blood is 4.5 to 5.5 times as viscous as water. Plasma (with its proteins) is only 2.0 times as viscous as water.
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