Skeletal System Crossword Puzzle

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Across
  1. 1. Internal tissue that produces blood cells and stores fat
  2. 4. Tightly packed mature cells in bones
  3. 5. The process where bone replaces cartilage making the bones thicker and longer
  4. 7. The tough membrane that covers up bones
Down
  1. 2. Includes the shoulders,arms,hips,and legs
  2. 3. bone cells that deposit calcium and other minerals into bones
  3. 6. Includes the skull,spine,ribs,and sternum