Answer
A.
Work Step by Step
B. might be true indirectly, but that makes it not the best answer, while C. is wrong since pulmonary veins go nowhere near the brain. D. is wrong since A. is correct.
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 35 - Deuterostomes - Review Questions - Understand - Page 731: 6
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