Chapter 6 Emilie Grant

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