Answer
The sinoatrial node generate impulses so that the heart can beat at a constant rate. If it is damaged, the heart cannot beat at a constant rate.
Work Step by Step
As above
Biology 2010 Student Edition
by Miller, Kenneth R.; Levine, Joseph S.
Published by
Prentice Hall
ISBN 10:
9780133669510
ISBN 13:
978-0-13366-951-0
Chapter 33, Circulatory and Respiratory Systems - 33.1 - The Circulatory System - 33.1 Assessment - Page 953: 2b
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