HBS test

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Across
  1. 4. Chemicals released by neurons that stimulate other neurons, muscles or glands.
  2. 5. Neuron that conducts impulses away from the CNS to muscles and glands
  3. 6. Neuron that conducts impulses toward the CNS from the peripheral body
  4. 9. Increases the speed of impulse transmission
  5. 10. Specialized cells that myelinate the fibers of neurons in the PNS
  6. 12. Conducts electrical currents away from the cell body
  7. 13. Releases Neurotransmitters
  8. 14. Subdivision of the PNS that controls voluntary activities such as the activation of skeletal muscles.
  9. 15. Nervous system subdivision that is composed of the brain and spinal cord.
  10. 16. Subdivision of the PNS that regulates the heart, glands, and smooth muscle; all involuntarily
  11. 17. Nervous system subdivision that is composed of the cranial, spinal, and other nerves and ganglia
Down
  1. 1. Information exchange
  2. 2. Ion flow across the neuron membrane occurs here - between myelin
  3. 3. Accepts electrical impulses from other cells and towards the cell body
  4. 7. Body Location of the nucleus
  5. 8. neuron that serves as a link between sensory and motor neurons. Communicates between other neurons. Found in the brain and spinal cord.
  6. 10. pumps 3 sodium out and 2 potassium in
  7. 11. Junction or point of close contact between neurons