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.
Biology (11th Edition)
by Raven, Peter; Johnson, George; Mason, Kenneth; Losos, Jonathan; Singer, Susan
Published by
McGraw-Hill Education
ISBN 10:
1259188132
ISBN 13:
978-1-25918-813-8
Chapter 49 - The Circulatory System - Review Questions - Apply - Page 1039: 3
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