Skeletal

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Across
  1. 4. what curves your spine
  2. 7. What is the longest bone in the body?
  3. 9. the softening of bone due to a lack of calcium
  4. 10. How many bones does an adult human have?
  5. 12. What is the anatomical term for the collarbone?
  6. 13. what causes bones to rub together
  7. 14. what causes bones to become weak
Down
  1. 1. Which bone protects the brain?
  2. 2. Muscles are attached to the bone through tendons.
  3. 3. what bone is most often brocken in the world?
  4. 5. What is the anatomical term for the shoulder blade?
  5. 6. whats attached to the bone through tendons?
  6. 8. Sensory receptors in the joints between bones send signals about body position to the brain
  7. 11. when does a human have 275- 300 bones?
  8. 15. what is this system?