Anatomy & Physiology: The Unity of Form and Function, 7th Edition

Published by McGraw-Hill Education
ISBN 10: 0073403717
ISBN 13: 978-0-07340-371-7

Chapter 12 - Section 12.1 - Overview of the Nervous System - Before You Go On: 2


The CNS is the main center of impulse response in the human body. The Peripheral Nervous System, PNS, is made up of all the nerves, ganglia, and neurons that transmit information from the periphery to the CNS. The PNS is divided into two: sensory and motor Peripheral Nervous Systems, both of which are in turn divided into the Somatic and Visceral Nervous Systems.

Work Step by Step

The CNS is basically composed of the brain and the Spinal cord. The CNS does not include the neurons, ganglia, or any other organs that are involved in the transmittance of impulses, the Peripheral Nervous System does.
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