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