Nervous System Vocabulary

123456789101112131415
Across
  1. 5. an automatic response that occurs very rapidly and without conscious control
  2. 6. a threadlike extension of a neuron that carries nerve impulses toward the cell body
  3. 9. neuron a neuron that picks up stimuli from the internal or external environment and converts each stimulus into a nerve impulse
  4. 10. a neuron that carries nerve impulses from one neuron to another
  5. 12. the part of the brain that coordinates the actions of the muscles and helps maintain balance
  6. 13. neuron a neuron that sends an impulse to a muscle, causing the muscle to contract
  7. 14. cord 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
  8. 15. the part of the central nervous system that is located in the skull and that controls most functions in the body
Down
  1. 1. the part of the brain that interprets input from senses, controls the movement of skeletal muscles, and carries out complex mental processes
  2. 2. nervous system all nerves located outside the central nervous system; connects the central nervous system to all parts of the body
  3. 3. a threadlike extension of a neuron that carries nerve impulses away from the cell body
  4. 4. impulse a message carried by a neuron
  5. 7. the tiny space between the tip of an axon and the next structure
  6. 8. the part of the brain that controls many body functions that occur automatically
  7. 11. a cell that carries messages through the nervous system
  8. 12. nervous system the brain and the spinal cord; the control center of the body