Biology 2010 Student Edition

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

Chapter 31, Nervous System - 31.1 - The Neuron - 31.1 Assessment - Page 900: 1b

Answer

Some of the nervous system is autonomous and continue performing without any stimulus. It consist of heart beat, breathing, brain functions, etc.
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