Skeletal review

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Across
  1. 2. protects the lungs and heart
  2. 4. stimulates red blood cell production in the bone marrow
  3. 6. Screens for abnormal bone growth
  4. 7. bones store 99 percent
Down
  1. 1. dense tissue crowds bone marrow
  2. 2. caused by lack of vitamin D or Ca; affects bone growth and density
  3. 3. protects the spinal cord
  4. 5. bones store 85 percent