Body and Behavior

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Across
  1. 4. part of the brain that covers the brain's central core
  2. 7. part of the brain located at the rear base of the skull that is invovled in the basic process of life
  3. 8. subtances that carry messages through the body in blood
  4. 11. Gland/produces the hormone thyroxine which stimulates certain chemical reactions that are important for all tissues of the body
  5. 12. different regions into which the cerebral cortex is divided
  6. 13. chemicals released by neurons, which determine the rate at which other neurons fire
  7. 14. basic building blocks of heredity
  8. 15. Nervous System/the part of the pariphial nervous system that controls internal biological functions
  9. 17. Twins/twins who come from one fertilized egg
  10. 19. Nervous System/nerves branching out form the spinal cord
  11. 21. long, thin cells of nerve tissue along which messages travel to and from the brain
  12. 22. Nervous Sysytem/refers to the part of the peripheal nervous system that controls voluntary actions
  13. 24. resonance imaging/an imaging technique used to study brain structure and activity
  14. 25. Cord/nerves that run down the length of the back and transmit most messages between the body and the brain
Down
  1. 1. Twins/twins who come from two different eggs fertilized by two different sperm
  2. 2. Gland/the center of control of the endocrine system that secretes a large number of hormones
  3. 3. genetic transmission of characters from parent to their offspring
  4. 5. machine used to record the electrical activity of large portions of the brain
  5. 6. Axial Tomography/an imaging technique used to study the brain to pinpoint injuries and brain deterioration
  6. 9. System/a chemical communication system, using hormones, by which messages are sent throguh the bloodstream
  7. 10. gap the exists between individual nerve cells
  8. 16. Nervous System/the brain and spinal cord
  9. 18. small part of the brain above the pons that integrates sensory information and relays it upward
  10. 20. Emission Tomgraphy/an imaging technique used to see which brain areas are being activated while preforming tasks
  11. 23. Glands/become active when a person is angry or frightened, they release epinephrine and norepinephrine into the bloodstream