gm-topics1-5 crossword revision

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Across
  1. 3. one shortens one lengthens
  2. 4. act has cushions between bones
  3. 8. connects muscle to bone
  4. 9. produces the synovial fluid
  5. 11. light small and very strong
  6. 12. helps reduce friction from bone to bone
Down
  1. 1. connects bone to bone
  2. 2. protects vital organs
  3. 5. contract when you lift your leg up
  4. 6. where two bones meet also allows movement
  5. 7. lubricates the joint and reduces friction
  6. 10. gives structure to the body