Human Biology, 14 Edition

Published by McGraw-Hill Education
ISBN 10: 1-25924-574-8
ISBN 13: 978-1-25924-574-9

Chapter 5 - Section 5.1 - Overview of the Cardiovascular System - Check Your Progress - Page 94: 1

Answer

The two primary parts of the cardiovascular system are the heart and the blood vessels. The heart pumps blood, and the blood vessels are the pathways through which the blood is pumped. Blood is always contained in the blood vessels in humans.

Work Step by Step

The two primary parts of the cardiovascular system are the heart and the blood vessels. The heart pumps blood, and the blood vessels are the pathways through which the blood is pumped. Blood is always contained in the blood vessels in humans.
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