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The nervous system includes the brain, the spinal cord, and all the
nerves in the body. Nerves carry information through the spinal cord to the
brain about what is happening inside and outside of the body, and the brain
processes the information and sends messages back through the nerves that
control how muscles and other organs respond.
The nervous system is divided into the brain and the spinal cord
(which are together known as the central nervous system) and the nerve cells
that lead away from the brain and the spinal cord to the rest of the body
(peripheral nervous system). The nervous system controls:
Current as of:
February 20, 2015
William H. Blahd, Jr., MD, FACEP - Emergency Medicine & H. Michael O'Connor, MD - Emergency Medicine
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