Psychology Chapter 6 Vocab

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