Skeletal System & Joint Puzzle

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Across
  1. 2. allows for back and forth movement
  2. 4. called the femur; the longest bone in the body
  3. 6. fixed joint and protects the brain
  4. 7. where two bones meet or connect
  5. 9. holds the bones firmly together
  6. 10. produces red blood cells
Down
  1. 1. framework of bones for support and protection
  2. 3. protect the soft organs of the heart and lungs
  3. 5. is a mineral good for bones and teeth repair
  4. 8. connects the bones and the muscles