Science 8

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Author:
Rayna
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311213
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Science 8
Updated:
2015-11-18 17:40:29
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science
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science
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Science
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  1. Who studies the nervous system
    Neurobiologist
  2. how many pairs of spinal nerves are in ones body
    3 pairs
  3. How many pairs of cranial nerves are their
    12
  4. most important part of a neuron
    cell body
  5. two divisions of the autonomic nervous system
    • sympathetic system
    • parasympathetic system
  6. short extentions that receive nerve impulses
    dendrite
  7. fatty white covering found in the white matter of the brain
    myelin
  8. what nerves control the Sensory nerve fibers and the Motor nerve fibers
    mixed nerves
  9. triple layer of tissues that covers spinal cord and brain
    meninges
  10. two divisions of the nervous system
    • central nervous system
    • Peripheral nervous system
  11. thick bundle of nerve fibers found in the vertebral column
    spinal cord
  12. upper part of brain, coordinates thought, memory, and learned behaviors
    cerebrum
  13. lower part of brain, helps control balance and coordinate voluntary muscle activity
    crebellum
  14. part that connects to the spinal cord, controls the involuntary muscles and activities of the autonomic nervous system.
    brain stem
  15. rear portion of the prontal lobes
    motor area
  16. lowest part of the brain stem, contains nerve centers that monitor that regulate breathing , heartbeat, blood pressure, and other vital body functions
    medulla oblongata
  17. above the medulla oblongata links the cerebrum with the cerebellum
    pons
  18. above the pons, contains nerve centers that coordinate the movements of both eyes, adjust the size of the pupils, and operate the lens muscles to focus the eyes
    midbrain
  19. intricate network of neurons in side brain stem
    reticular formation
  20. complex brain structures that lie clustered around the brain stem at the core of the brain, surrounded by the cerebrum
    limbic system
  21. below the thalamus, control unit for your body's automatic systems
    hypothalamus
  22. what philosophy states that a persons behavior can be determined by his environment, not by his mind
    behaviorism
  23. snail shaped shell in the inner ear that senses sound vibrations
    cochlea
  24. form of partial or complete hearing loss
    sensorineural defness
  25. sleeper's closed eyes show rapid eye movements as though he were watching the events of a dream
    REM(rapid eye movement) sleep
  26. degeneration and inflammation of nerves
    neuritis
  27. condition characterized by pain in thelower back and the back of the thigh is cased by a pinching of the sciatic nerve of the lower spinal cord.
    Sciatica
  28. most common serious injury of the nervous system
    stroke
  29. commonly known as lockjaw because severe spasms of the jaw muscles make it hard to open the mouth
    tetanus
  30. disorder of the slow process of natural nerve cell loss
    senile dementia
  31. common neurological disorder that affects people of all ages is the condition
    epilepsy
  32. what three organs are in the middle ear
    • malleus(hammer)
    • incus(anvil)
    • stapes(stirrup)
  33. tiny projections where taste buds are located
    papillae
  34. Three types of receptors
    • pain receptors
    • mechanoreceptors
    • termoreceptors
  35. what connects the nose's sensory receptors to the brain
    olfactory nerve
  36. what is the most complex part of the eye
    uvea
  37. what are the three parts of the uvea
    • iris
    • ciliary
    • choroid
  38. what is the area that produces the clearest vision
    fovea
  39. substance in the rod cells of the eye that absorb light
    rhodopsin

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