skeletal and muscular systems.

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Across
  1. 2. fracture to break a bone
  2. 3. connect muscles to bone
  3. 6. contracts to circulate blood involuntary
  4. 7. forms the wall of the heart and contracts involuntary to circulate blood
  5. 10. when stimulated by nerves, able to contract (short and thick)
  6. 12. to bones to provide movement
  7. 13. allow movement with limited rotation; between the head and neck
  8. 16. joints that allow movement in all directions. i.e. shoulder & hip
  9. 17. the bones that make up the fingers of the hand and the toes of the foot
  10. 21. allows muscles to return to its original shape
  11. 22. forms the walls of the internal muscles
  12. 23. provide attachment for the body - attach to bones - voluntary
  13. 24. (smooth) muscle
  14. 26. function of muscle
  15. 27. of muscle
Down
  1. 1. where blood cells are formed in adults.
  2. 4. Joint between bones (as at the elbow or knee) that permits motion in only one plane
  3. 5. muscle
  4. 8. decreases blood calcium levels
  5. 9. the inflammation of joints.
  6. 11. the deterioration of articular cartilage in a joint
  7. 14. muscles you contract when you want to move (skeletal)
  8. 15. contract automatically (stomach, heart, etc.)
  9. 18. a flat, triangular-shaped bone (colloquially as the "shoulder blade").
  10. 19. Abnormal lateral curvature of the spine
  11. 20. ability to be stretched
  12. 25. bone Located inside compact bones at widened ends of long bones, has spaces in matrix so it looks like a sponge, still rigid, adaptation- to make bones lighter in weight