NERVOUS SYSTEM

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Across
  1. 3. The division of the nervous system that controls involuntary actions like heart rate and digestion.
  2. 6. A condition involving loss of memory and cognitive function.
  3. 8. The gap between two neurons where neurotransmitters are released.
  4. 9. The central part of a neuron, containing the nucleus.
  5. 10. Part of the autonomic nervous system responsible for "rest and digest."
  6. 14. The type of nervous tissue that contains myelinated axons.
  7. 15. The junction where nerves from the spinal cord enter the brain.
  8. 16. The outermost layer of the brain.
  9. 17. The part of the brain responsible for higher cognitive functions like thinking and planning.
  10. 18. The fatty substance that insulates nerve fibers.
  11. 19. A long, thin projection that transmits signals from a neuron.
Down
  1. 1. A disease caused by the degeneration of the myelin sheath.
  2. 2. The type of neuron that carries signals to muscles.
  3. 3. A brain structure involved in regulating emotions and memory.
  4. 4. The major structure connecting the brain and spinal cord.
  5. 5. The two large structures that make up the majority of the brain's mass.
  6. 7. A small space between the axon of one neuron and the dendrite of another.
  7. 11. A type of chemical messenger in the brain.
  8. 12. The part of the brain responsible for balance and coordination.
  9. 13. The nervous system outside the brain and spinal cord.