Nervous System Vocabulary

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Across
  1. 3. Structure that connects the brain and spinal cord; includes the medulla oblongata and the pons
  2. 6. Chemical that diffuses across a synapse to transmit an impulse to another neuron
  3. 8. Sensory cell that is sensitive to light
  4. 9. Branch of the autonomic nervous system that controls organs; most active when the body is at rest
  5. 11. Part of the peripheral nervous system that transmits impulses to and from skeletal muscles; Voluntary
  6. 15. Sensory cell or organ responsive to chemical stimuli
  7. 17. Consists of the brain and spinal cord; coordinates all of the body’s activities
  8. 18. Type of neuron that receives information from sensory receptors and conveys impulses to the central nervous system; Carries impulses TOWARDS the CNS
Down
  1. 1. Branch of the autonomic nervous system that controls organs; most active during times of stress
  2. 2. Part of the peripheral nervous system that regulates activities that are involuntary; Consists of Parasympathetic nervous system and the sympathetic nervous system
  3. 4. Cell that carries impulses throughout the nervous system; also called a nerve cell
  4. 5. Type of neuron that carries impulses from interneurons to either muscle cells or glands; Carries impulses AWAY from CNS
  5. 7. Type of Neuron that processes information and may relay information to motor neurons
  6. 10. sends messages back and forth between the brain and the body to control all the body's functions;
  7. 12. Sensory cell or organ responsive to mechanical stimuli such as sound or touch
  8. 13. Consists of the sensory and motor neurons that transmit impulses to and from the central nervous system; Nerves
  9. 14. Thick column of nerve tissue that links the brain to most of the nerves in the peripheral nervous system
  10. 16. the brain, spinal cord, and a complex network of nerves