autonomic nervous system

Cultural Dictionary
autonomic nervous system [(aw-tuh-nom-ik)]

The part of the nervous system that controls involuntary functions of the body (those not controlled consciously), such as digestion, the beating of the heart, and the operation of glands in the endocrine system.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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