The Nervous System

12345678910
Across
  1. 3. Often referred to as the body's chemical messengers
  2. 5. System that maintains homeostasis by sensory function, integrative function, motor function.
  3. 7. Regulates movement, emotion, motivation, and feelings of pleasure.
  4. 9. The nervous system consists mainly of cells called __________.
  5. 10. Are a collection of neuron cell bodies located outside of the central nervous system.
Down
  1. 1. Is a quick, automatic response to certain kinds of stimuli
  2. 2. A mood disorder caused by psychological, biological, and environmental factors. Symptoms include sad and empty feelings.
  3. 4. Junction of a neuron with another cell.
  4. 6. Regulates mood, appetite, sensory perception, and other functions
  5. 8. Are composed of bundles of axons called nerve fibers.