Skeletal, Muscular, and Nervous System Vocab

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Across
  1. 6. brain and spinal cord
  2. 7. a mature bone cell
  3. 8. a quick automatic response controlled by the nervous system
  4. 9. flexible tissue that cushions joints
  5. 10. a nerve cell that sends messages
Down
  1. 1. connects bone to bone
  2. 2. when a muscle shortens to create movement
  3. 3. the gap between neurons where signals pass
  4. 4. connects muscle to bone
  5. 5. a single muscle cell