Psychology Chapter 6 Vocab

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