Psychology Chapter 6 Vocab

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