Campbell Biology (12th Edition)

Published by Pearson
ISBN 10: 0135188741
ISBN 13: 978-0-13518-874-3

Chapter 42 - Test Your Understanding - Levels 1-2 - Remembering/Understanding - Page 951: 3

Answer

D. Heart Rate

Work Step by Step

The pulse is the number of times the heart beats each minute. Therefore being a direct measure of the rate of the hearts beats.
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