Bones and muscles crossword

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Across
  1. 4. ________ system, the muscles system
  2. 5. Type of muscle that is in your heart
  3. 6. Ilium, pubis, and ischium bones are a part of this bone
  4. 7. Your kneecap bone
  5. 8. The fatty/spongy substance in the center of bones
  6. 9. Ulna and _________, your other forearm bone
  7. 10. You press down on this bone when doing cpr
  8. 12. Type of muscle that lines your stomach
  9. 13. Biggest bone in the body
  10. 14. Bones that make up your spine
  11. 15. ________ system, the bones system
  12. 16. Tissue that is at the end of bones and in your ears and nose
Down
  1. 1. Holds bone to bone at joints
  2. 2. Attaches muscles to bones
  3. 3. Fibula and the _____, the other bone of your lower leg
  4. 4. Lower jaw bone
  5. 6. Upper arm bone
  6. 11. Bones you use to grind up food
  7. 12. Type of muscle that you use to move your bones
  8. 17. Bone that protects the chest, also know as your ___ cage