Psychology Ch. 3

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Author:
kenziejaclyn
ID:
237095
Filename:
Psychology Ch. 3
Updated:
2013-09-25 21:49:03
Tags:
brain
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Description:
The Brain
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  1. What are the 2 types of nervous systems and what are their jobs?
    • 1. Central- brain and spinal cord
    • 2. Peripheral- send messages to the body
  2. A nerve cell that is the main part of the nervous system is..
    Neuron
  3. Receives info from other neurons and pass the message through the cell body.
    Dendrite
  4. Carries the message away..
    Axon
  5. White fatty substance that protects the axon...
    myelin
  6. The junction between the axon and dendrite is called the..
    Synapse
  7. chemicals that are stored in the axon terminal are
    neurontransmitters
  8. extends from the brain and down the back..
    spinal cord
  9. What are the two divisions of the peripheral nervous system and what are their jobs?
    • 1. somatic- sensory messages, touch, pain
    • 2. automatic- regulates body functions
  10. What are the 9 parts of the brain?
    • 1. medulla
    • 2. pons
    • 3. cerebellum
    • 4. reticular
    • 5. thalamus
    • 6. hypothalamus
    • 7. limbic system
    • 8. cerebrum
    • 9. cerebral cortex
  11. What connects the two parts of the brain together?
    Corpus Callosum
  12. Records the electrical activity of the brain..
    EEG (electroencephalogram)
  13. Measures the amount of radiation..
    CAT (computerized axial tomography)
  14. Uses radio waves to look at the brain..
    MRI (magnetic resonance imaging)
  15. glands the secrete hormones that regulate certain body functions..
    endocrine system
  16. stimulate growth and reactions
    hormones
  17. What are the 3 parts of the endocrine system?
    • 1. Pituitary Gland
    • 2. thyroid 
    • 3. adrenial gland
  18. stimulates muscle growth, bones and behavior..
    Pituitary gland
  19. stimulates metabolism
    thyroid
  20. stimulates the arousal of the body and muscle development
    adrenial gland
  21. testes
    testosterone
  22. produce eggs, estrogen, and progesterine
    ovaries
  23. transmission of characteristics from parent to offspring
    heredy
  24. building blocks of heridy
    genes
  25. threadlike structures of genes
    chromosomes
  26. born form the same egg
    identical twins
  27. 2 eggs; same parent
    fraternal twins

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