Chapter 1 organization of human nervous system

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Author:
Jiacheng.Liu
ID:
259428
Filename:
Chapter 1 organization of human nervous system
Updated:
2014-01-31 22:33:27
Tags:
brain system
Folders:
2014,science,biology
Description:
somethings extremely needed to be organically remembered.
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  1. CNS
    central nervous system, two major divisions :brain and spinal cord  (the part of the vertebrate system that is located within skull and spine 
  2. PNS
    Peripheral nervous system (The part of the vertebrate system that is located outside the skull and spine
  3. Cervical region
    The section of the spine that provides the flexible framework of the neck or cervix; it lies between the skull and thoracic region
  4. Thoracic region
    The section of the spine that supports the small of the back; it lies between the cervical region and the lumbar region
  5. Lumbar region
    The section of the spine to which the ribs are attached; it lies between the The thoracic region and the sacral region
  6. Sacral region
    The section of the spine to which the bones of the pelvis are attached; it lies adjacent to the lumbar region.
  7. PNS
    Peripheral Nervous System : two major divisions: the somatic nervous system (conducts sensory signals to muscles,etc. conducts motor signals to CNS the autonomic nervous system..) the automatic nervous system (conducts sensory signals from internal organs to CNS, conducts motor signals to internal organs

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