nervous system vocab

1234567891011121314151617181920
Across
  1. 3. progressive destruction of myelin sheaths, causing a loss of sensation and motor control
  2. 6. includes brain and spinal cord
  3. 7. contains the neuron’s organelles
  4. 9. increase membrane permeability, increases chance for threshold to be achieved
  5. 12. transmits information from the senses toward the brain
  6. 13. cells specialized in transmitting and receiving messages
  7. 14. transmits commands to the muscles and glands from the brain
  8. 16. support neurons by regulating their surrounding environment
  9. 17. includes “rest and digest” responses
  10. 19. thin pads of lipids that serve as electrical insulation
  11. 20. controls skeletal muscle
Down
  1. 1. conduct impulses away from the cell body
  2. 2. receive incoming signals
  3. 4. regulates involuntary smooth and cardiac muscle, as well as glands
  4. 5. all nervous tissue outside of the brain and spinal cord
  5. 8. includes “fight or flight” responses
  6. 10. caused by a bacterial toxin that inhibits the enzyme that breaks down acetylcholine.
  7. 11. to be achieved
  8. 15. decrease membrane permeability, decrease chance for
  9. 18. a disease caused by the ingestion of toxins from the bacterium Clostridium botulinum found in some rotting food.