skeletal and joint

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Across
  1. 4. movement towards the middle of the body
  2. 5. when an angle around a joint is increased
  3. 6. joint that allows a large range of movement
  4. 8. attach bone to bone
  5. 11. head bone
  6. 12. when the angle around a joint is decreased
Down
  1. 1. attach muscles to bones
  2. 2. reduces friction and acts as a shock absorber for a joint
  3. 3. bone at the knee
  4. 7. bone between the ribs
  5. 9. bone on the inside of the lower leg
  6. 10. allows movement in one plane