skeletal system functions

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Across
  1. 3. composed of bones, ligaments, tendons, and ___
  2. 6. 99% of the body's ___ is stored in bone
  3. 9. the heart and lungs are protected by this
  4. 10. blood cell formation
Down
  1. 1. reservoir for___
  2. 2. the brain is protected by this
  3. 4. type of tissue found in the marrow of bones
  4. 5. mandible (jaw bone) supports the teeth
  5. 7. what's inside the bone
  6. 8. 85% of the body's ___ is stored in bone