Skeletal and Nervous System

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Across
  1. 2. Bone in your shoulder
  2. 5. The junction between two neurons where signals are transmitted
  3. 6. A involuntary, rapid response to a stimulus
  4. 8. A chemical substance that transmits signals between neurons
  5. 9. One of the forearm bones
  6. 13. Relating to movement or muscle control
  7. 14. Relating to the reception of stimuli through the senses
  8. 16. The place where two bones meet
  9. 18. Something that joins bone to bone
  10. 19. Something that joins muscle to bone
Down
  1. 1. The long, slender projection of a neuron that sends electrical impulses
  2. 3. The collection of bones that protect your lungs
  3. 4. A bundle of nerves extending from the brain down the spinal column
  4. 7. The largest bone in the human body
  5. 8. The basic functional unit of the nervous system
  6. 10. The short, branching extensions of a neuron that receive signals
  7. 11. The substance inside a bone that makes blood cells
  8. 12. A bone in your spine
  9. 15. The bone that protects your brain
  10. 17. The central organ of the nervous system located in the skull