The Nervous System

123456789101112131415
Across
  1. 1. Largest part of the brain
  2. 10. Connective and supporting tissue of an organ
  3. 12. Neurotransmitter chemical released at the ends of a nerve cell
  4. 13. Networks of intersecting blood and lymphatic vessels
  5. 14. Motor nerve that carries messages away from the brain
  6. 15. Depression or groove in the surface of the cerebral cortex
Down
  1. 2. Three protective membranes that surround the brain and spinal cord
  2. 3. Type of glial cell that transports water and salt
  3. 4. Microscopic branching fiber of a nerve cell
  4. 5. Sensory nerve that carries messages toward the brain
  5. 6. Canals in the brain that contain cerebrospinal fluid
  6. 7. Space through which a nervous impulse travels between nerve cells
  7. 8. Individual nerve cell
  8. 9. Fatty tissue covering axons
  9. 11. Essential distinguishing tissue of an organ