A&P

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Author:
jayme529
ID:
85050
Filename:
A&P
Updated:
2011-05-10 14:58:14
Tags:
Final Exam
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Description:
Nervous system
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  1. the central nervous system consist of the --- and the -----
    brain and spinal cord
  2. the ______consists of the nerves that connect the central nervous system to other parts of the body.
    cnetral nervous system
  3. resting neurons having more negative inside and more positive outside is said to be
    pollarized
  4. divisions of peripheral nervous system
    sensory division - picks up sensory info & delivers it to Cns

    Motor Division - carries info out from sensory to muscles and glands (effectors)
  5. division of motor divisions
    • somatic
    • autonomic
  6. carries info to skeletol muscle
    somatic
  7. carries info to smooth muscle, cardiac muscle and glands
    autonomic
  8. cell membranes are electrolly charged (unequal distribution of ions)Resting Potential
    pollarized
  9. afferent, carry impulses to CNS , most are unipolar, some are bipolar
    sensory neurons
  10. multi polar, carry impulses away from CNS carry impulses to effectors
    motor neurons
  11. contains mylenated axons
    whate matter
  12. contains unmylenated axons
    gray matter
  13. ability to do work
    potential
  14. membrane is at rest, threshold stimulus is reached, sodium channels open and membrane depolarizes, potassiam leaves cytoplasm and membrane is repolarized
    potential change

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