Mind and Body Vocabulary

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Across
  1. 2. the process by which an organism becomes more sensitive to stimuli
  2. 4. helps produce and feeling of relaxation
  3. 6. a regular sequence of the biological process that occurs every 24 hours
  4. 7. a drug that reduces neural activity and slow's the body activity
  5. 8. chemical messenger
  6. 10. is a system that gives information about the biological process
  7. 11. part of the retina that contains no photoreceptors
  8. 12. a drug that increases neural activity and speeds up body functions
  9. 13. building blocks of the nervous system
  10. 15. a psychedelic drug
  11. 17. stage of sleep identified by the random movement of the eyes
  12. 19. is a condition where people are highly
  13. 20. minimum difference detected between stimuli
Down
  1. 1. organizing and interpreting sensory info
  2. 3. type of stimulant often used to stay awake or to reduce appetite
  3. 5. sensory information to the brain
  4. 8. type of dry that dulls the senses, relives pain, and induces sleep
  5. 9. smallest amount of stimulus detected
  6. 14. photoreceptor cells that can function in less intense light
  7. 16. responsible for color vision and eye color sensitivity
  8. 18. and are in a trance