Biology 2010 Student Edition

Published by Prentice Hall
ISBN 10: 9780133669510
ISBN 13: 978-0-13366-951-0

Chapter 33, Circulatory and Respiratory Systems - Assessment - 33.1 The Circulatory System - Understand Key Concepts/Think Critically - Page 972: 10

Answer

The systolic pressure is the force exerted by the blood on the arteries when the ventricles of the heart contract. The diastolic pressure is the measure of the force that the blood exerts on the arteries when the ventricles relax.

Work Step by Step

The systolic pressure is the numerator in the blood pressure reading. Diastolic pressure is the denominator in the blood pressure reading.
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