Chapter 55 Assessment Nervous System

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Across
  1. 6. Flows from the cranial cavity to the spinal cavity carrying nutrients through both passive diffusion and active transport
  2. 7. All of the neuronal structures that lie outside the CNS
  3. 8. Involuntary response to stimuli.
  4. 9. The functional unit of the nervous system.
  5. 10. 12 paired nerves composed of cell bodies with fibers that exit from the cranial cavity.
  6. 11. Area of skin innervated by the sensory fibers of a single dorsal root of a spinal nerve.
  7. 12. Influence skeletal muscle movement and originate in the cerebral cortex.
  8. 13. Chemicals that affect the transmission of impulses across the synaptic cleft.
  9. 15. Three protective membranes that surround the brain and spinal cord
Down
  1. 1. These cells make up half of the brain and spinal cord mass.
  2. 2. contains the brain spinal cord and cranial nerves I and II
  3. 3. The final motor pathway descending motor tracts use to influence skeletal muscles.
  4. 4. controls the involuntary functions of heart muscle, smooth muscle, and glands
  5. 5. the physiological barrier between blook capillaries and brain tissue.
  6. 14. Structural and functional junction between two neurons