ScienceDaily: Peripheral nervous system

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ScienceDaily:

Peripheral nervous system

http://www.sciencedaily.com/articles/p/peripheral_nervous_system.htm

The peripheral nervous system or PNS, is part of the nervous system, and

consists of the nerves and neurons that reside or extend outside the central

nervous system (the brain and spinal cord) to serve the limbs and organs, for

example. Unlike the central nervous system, however, the PNS is not protected by

bone or the blood-brain barrier, leaving it exposed to toxins and mechanical

injuries. The peripheral nervous system is divided into the somatic nervous

system and the autonomic nervous ...

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