Nervous System Vocabulary

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Across
  1. 4. A message carries by a neuron.
  2. 6. A cell that carries messages through the nervous system.
  3. 7. An automatic response that occurs very rapidly and without conscious control.
  4. 9. The part of the brain that coordinates the actions of the muscles and helps maintain balance.
  5. 12. All the nerves located outside the central nervous system; connects the central nervous system to all the parts of the body.
  6. 14. The thick column of nerve tissue that is enclosed by the vertebrae and that links the brain to most of the nerves in the peripheral nervous system.
  7. 16. The part that controls many body functions that occur automatically.
Down
  1. 1. The part of the central nervous system that is located in the scull and that controls most functions in the body.
  2. 2. The brain and the spinal cord; control center of the body.
  3. 3. A neuron that picks up stimuli from the internal or external environment and converts each stimuli into a nerve impulse.
  4. 5. A neuron that carries nerve impulses from one neuron to another.
  5. 8. The part of the brain that interprets input from the senses, controls the movement of skeletal muscles, and carries out complex mental processes.
  6. 10. A neuron that sends an impulse to a muscle, causing the muscle to contract.
  7. 11. The tiny space between the tip of an axon and the next structure.
  8. 13. A threadlike extension of a neuron that carries nerve impulses AWAY FROM the cell body.
  9. 15. A threadlike extension of a neuron that carries nerve impulses TOWARD the cell body.