Psychology Chapter 6 Vocab

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Across
  1. 2. _____ nervous system - the part of the peripheral nervous system that controls voluntary movement of skeletal muscles
  2. 4. the expression of a particular trait in an organism
  3. 7. _____ nervous system - nerves branching beyond the spinal cord into the body
  4. 8. the long, thin cell of nerve tissue along which messages travel to and from the brain
  5. 10. a maching used to record the electrical activity of large portions of the brain
  6. 11. the genetic transmission of characteristics from parents to their offspring
  7. 15. chemical substances that carry messages through the body in blood
  8. 17. an imaging technique used to see which brain areas are being activated while performing tasks
  9. 18. a chemical communication system, using hormones, by which messages are sent through the bloodstream
  10. 19. the basic building blocks of heredity
  11. 20. twins who come from one fertilized egg; twins having the same heredity
  12. 23. _____ nervous system - the part of the peripheral nervous system that controls internal biological functions
  13. 25. twins who comes from two different eggs fertilized by two different sperm
  14. 26. descended from ancestors with dissimilar genetics
Down
  1. 1. _____gland - the center of control of the endocrine system that secretes a large number of hormones
  2. 3. the gap that exists between individual nerve cells
  3. 5. the set of genes in an organism
  4. 6. the different regions into which the cerebral cortex is divided
  5. 9. descended from ancestors with dissimilar genetics
  6. 12. _____ nervous system - the brain and spinal cord
  7. 13. a measuring technique used to study brain structure and activity
  8. 14. ___brain - a part of the brain that covers the brain's central core, responsible for sensory and motor control and the processing of thinking and language
  9. 15. ___brain - a part of the brain located at the rear base of the skull that is involved in the basic processes of life
  10. 16. nerves that run up and down the length of the back and transmit most messages between the body and brain
  11. 21. _____transmitters - the chemicals released by neurons, which determine the rate at which other neurons fire
  12. 22. an imaging technique used to study the brain to pinpoint injuries and brain deterioration
  13. 24. ___brain - a small part of the brain above the pons that arouses the brain, integrates sensory info, and relays it upward