Gideons crossword

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Across
  1. 7. Mass of nerve tissue
  2. 12. a cord that Carry's messages from the brain to nerves
  3. 13. membranes that protect the brain and spinal cord
  4. 14. Basic unit of nervous system
  5. 15. hollow spaces that connect with each other
  6. 17. located below midbrain conducting messages to other brain parts
  7. 18. The brain and spine
  8. 20. part of the brain
  9. 21. Works with sympathetic to keep homeostasis in the body.
  10. 22. connects to spinal cord and regulates heart beat
Down
  1. 1. regulates the autonomic nervous system needs
  2. 2. Works with parasympathetic to maintain homeostasis in the body
  3. 3. Somatic and autonomic nervous systems
  4. 4. contains thalamus and hypothalamus
  5. 5. responsible for conducting impulses and for auditory reflexes
  6. 6. carries messages between CNS
  7. 8. Combination of nerve fibers and they carry messages
  8. 9. clear colorless fluid
  9. 10. directs impulses to the cerebrum
  10. 11. Contains sympathetic and parasympathetic systems
  11. 16. complex system that tell the body what to do
  12. 19. responsible for muscle coordination