Skeletal System Key Terms

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Across
  1. 3. Process of calcium builds up in body tissue, causing tissue to harden
  2. 5. Thick, fibrous membrane that goes around and covers the outside of a bone
  3. 6. Former osteoblasts become surrounded by unmineralized matrix during bone formation
  4. 7. bone formation
Down
  1. 1. Internal skeleton
  2. 2. The straight shaft of a long bone
  3. 4. The widened ends of a long bone. Each and contains the epiphysial plate where bone growth takes place.