Biology 2010 Student Edition

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

Chapter 7, Cell Structure and Function - Assessment - 7.4 Homeostasis and Cells - Think Critically - Page 222: 28

Answer

When heart muscles failed to perform their job in proper manner, a pacemaker is installed to keep the heart beating in normal manner.

Work Step by Step

When heart muscles failed to perform their job in proper manner, a pacemaker is installed to keep the heart beating in normal manner.
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