The Nervous System

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Across
  1. 4. a hormone that helps with alertness, focus, and motivation
  2. 5. nerve cells that transmit messages
  3. 6. (adrenaline) hormone responsible for flight or fight
  4. 8. area between brain and spinal cord
  5. 9. transmit messages toward the cell body
  6. 11. part of the autonomic system; functions as an emergency system; rest and digest
  7. 16. one of the four sections of the brain; anterior part of the brain; responsible for higher cognitive functions
  8. 17. also called terminal branches
  9. 18. the fatty material that insulates a neuron & helps deliver messages faster
  10. 20. allows for communication between sensory and motor neurons; also known as interneuron
  11. 21. part of the autonomic system; functions as an emergency system; fight or flight response
  12. 23. nerve cells that are activated by sensory input from the environment
  13. 25. outermost layer of the brain made up of gray matter
  14. 26. area of white matter that connects the 2 hemispheres
  15. 27. transmits messages away from the cell body
  16. 28. chemicals released to transmit signals between neurons
  17. 30. consists of brain & spinal cord; receives, interprets & gives instructions
  18. 31. part of brainstem that links medulla oblongata and thalamus
  19. 32. managing mood, appetite, sleep, and dreaming
  20. 33. junction between two neurons
  21. 34. controls movement and coordination
Down
  1. 1. transmit neural impulses from the spinal cord to skeletal and smooth muscles; control all our muscles movement
  2. 2. Consists of nerves that extend from the spinal cord & brain
  3. 3. a stimulant; hormone in charge of pleasure
  4. 7. one of the four sections of the brain; upper area of the brain; processes sensory information
  5. 10. above the brainstem, between the cerebral hemispheres
  6. 12. one of the four sections of the brain; located on the sides of the brain; responsible for processing auditory information
  7. 13. regulates body temp., metabolism, pituitary gland, & pleasure
  8. 14. controls body activities involuntarily
  9. 15. controls the voluntary activities of the body
  10. 19. the main neurotransmitter of the parasympathetic nervous system; part of autonomic nervous system
  11. 22. extension of the spinal cord; when cut it can cause death
  12. 24. one of the four sections of the brain; near the back end of the brain; responsible for visual perception
  13. 29. produces sensations of arousal or alertness