Chapter 3 Psychology

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