Human Anatomy & Physiology (9th Edition)

Published by Pearson
ISBN 10: 0321743261
ISBN 13: 978-0-32174-326-8

Chapter 18 - The Cardiovascular System: The Heart - Review Questions - Page 689: 1(4)

Answer

C

Work Step by Step

Both artrias receive the blood and contract to be able to push the blood downwards into your ventricles, ventricles are the actual pumps of the heart. Which pumps the blood into circulation.
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