Human Biology, 14 Edition

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

Chapter 14 - Assess - Page 309: 14

Answer

Heart rate (HR) is affected differently by stimuli from the two divisions of the autonomic nervous system (ANS).

Work Step by Step

Parasympathetic stimuli decrease HR; sympathetic stimuli increase heart rate.
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