Those Little Tiny Things In Your Head Called Neurons

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Across
  1. 3. controls sleeping, waking, hearing, and motor control
  2. 4. part of limbic system
  3. 7. controls basic emotions and drives
  4. 10. secreted by endocrine glands
  5. 13. percentage of genetic factor passed down through different generations
  6. 15. folded gray matter, function complex behavior
  7. 16. chemical messenger for neurons
  8. 18. traits that benefit survival becoming more dominant
  9. 19. response to stimulus without conscious thought
  10. 20. controls body temp, thirst, hunger
Down
  1. 1. section of brain behind forehead
  2. 2. forms and retrieves memories
  3. 5. fight or flight
  4. 6. segment of DNA
  5. 8. space between neurons
  6. 9. group of hormones with several physiological functions
  7. 11. electoral charge traveling down axon
  8. 12. the glue
  9. 14. smallest structural unit of nervous system
  10. 17. immature cell that can turn into anything