28.1 nervous systems recieve sensory input, interpret it, and send out

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see.jerald
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28.1 nervous systems recieve sensory input, interpret it, and send out
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2011-04-07 01:14:14
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nervous systems recieve sensory input interpret it send out
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28.1 nervous systems recieve sensory input, interpret it, and send out
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  1. What is the central nervous system consist of?
    consists of the brain and, invertebrates, the spinal cord
  2. What is the peripheral nervous system?
    Made up mostly of communication lines called nerves that carry signals into and out of the CNS
  3. What is a nerve?
    a cable like bundle of neuron extensions tightly wrapped in connective tissue
  4. In addition to nerves, what does the PNS have?
    ganglia
  5. What is ganglia
    Clusters of neauron cell bodies?
  6. What is sensory input?
    the conduction of signals from sensory receptors, such as light detecting cells
  7. What is integration?
    the interpretation of the sensory signals and the formulation of appropriate responses
  8. What is motor output?
    the conduction of signals from the integration centers to effecto celles
  9. What are effector cells?
    muscle cells or gland cells, which perfom the body's responses
  10. What are the three functional types of neaurons corresponding to the nervous system's three main functions?
    • Sensory neaurons.
    • interneurons
    • motor neaurons
  11. What are sensory neurons?
    convey signals from sensory receptors into the CNS
  12. What are interneurons?
    located entirely withint the CNS, the integrate data and then relay appropriate signals to other interneourons or to motor neurons

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