Nervous System Crossword

1. relating to or situated on back of head
3. away from internal structures
6. ability to recall information about the past (Events/knowledge)
8. motion/movement
11. three-layered tissue that protects brain and spinal cord
12. adaption; form of organism to changed conditions
15. pertaining to forehead
16. abbreviation of "central nervous system"
17. acting,occuring involuntarily; no conscious control
18. the portion of brain responsible for motor functions
20. white, fat, material covering long nerve fibers
21. tree-like extensions at beginning of neuron which increases surface area of cell body
22. done with conscious will of the individual
23. point at which a nervous impulse passes from one neuron to the next
25. round bulge on underside of brain stem; separates midbrain from medulla oblongata
26. abbreviation of "peripheral nervous system"

2. largest part of brain responsible for speech
4. part of brain responsible for consciousness and alertness
5. cells that support and protect neuron
7. large glial cell found in CNS
9. pertaining to temple region of head
10. body's chemical messengers
13. done other than with the conscious will of the individual
14. sends signals from the cns to skeletal muscles and from the receptors of the external stimuli
17. thread-like extension of neuron which carries nerve impulses
19. topmost part of brainstem responsible for visual processing
24. relating to sensation(perception of stimulus