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 - Review Questions - Apply: 3

Answer

C.

Work Step by Step

A. is wrong since channels eliminate complete mixing, and B. is wrong since there is always just one SA node. D. can be eliminated since there is only one aorta.
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