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Across 2. the PNS consists mostly of these 6. these fibers travel from the skin, joints, and skeletal muscles 8. another name for the RER 9. armlike extensions from the cell body 10. part of the NS responsible for "fight or flight" 12. a second way the NS can communicate 14. the autonomic NS carries impulses from CNS to smooth and cardiac muscles, so it is called... 15. a bundle of neurons in the CNS 17. neurons can live this long 18. number of cranial nerves 21. cells are tightly packed so there is very little room for ____ space 25. the PNS has this many functional divisions 26. the cell body is also known as this 28. second organ of the CNS 29. one of the organs of the CNS 30. one of the requirements of neurons 33. they are acted on by the motor response 34. these fibers travel from your bladder, stomach, and intestines 35. the neuroglial cell that produces the myelin sheath in CNS 36. word meaning cells can divide 37. supporting cells 38. this control center is found in the cell body

Down 1. word meaning cells can not divide 3. the neuroglial cell that circulates CSF 4. one way the NS can communicate 5. the neuroglial cell that anchors neurons to the blood capillaries 7. this division of the PNS carries impulses to the CNS 10. the neuroglial cell that surrounds cell bodies in the PNS 11. body cavity of the brain and SC 13. deciding what should be done based on the sensory input 16. number of spinal nerves 19. part of the NS in control during times of rest and vegetation 20. the information gathered the NS as it monitors what goes on inside and outside of our body 22. the somatic NS carries impulse from CNS to skeletal muscles, so it is called ... 23. this division of the PNS carries impulses from the CNS 24. motor responses can be based on this 27. the neuroglial cell that acts as a macrophage 28. the neuroglial cell that forms myelin sheaths in the PNS 31. excitable cells 32. another requirement of neurons