Nervous System Vocabulary

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Across
  1. 2. basic functioning unit of the nervous system
  2. 3. controls memory, language, and thought
  3. 4. space between neurons
  4. 6. contains sensory and motor neurons
  5. 10. controls muscle movement and regulates balance
  6. 12. system that causes an increase of hormone release
  7. 13. part of the organism that gathers, processes and responds to information in the environment
  8. 15. a chemical carried in the blood stream from a gland to another area of the body
  9. 16. area of the eye that focuses light
  10. 17. consists of organs and tissues that release chemical messages
  11. 19. structures that detect stimuli
  12. 20. controls involuntary functions
Down
  1. 1. part of the nervous system that detects the environment
  2. 5. made up of the brain and spinal cord
  3. 7. system that inhibits further release of hormones
  4. 8. receptor that helps in dim light
  5. 9. something in the environment that causes a reaction
  6. 11. a reaction to a stimulus
  7. 14. structure of neurons protected by vertebra
  8. 18. receptor that helps determine color differences
  9. 19. automatic response to a stimuli
  10. 21. tympanic membrane