Bones Bones Bones

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Across
  1. 1. Material that comprises 33% of bone tissue
  2. 4. Bone cells only account for ____ per cent of bone mass.
  3. 8. Fluid held under pressure in a closed, semi-rigid, body compartment
  4. 10. Hydroxyapatite stores 99% of the body’s ________.
Down
  1. 2. These cells create bone matrix.
  2. 3. Number of bones in the axial skeleton
  3. 5. Another name for trabecular bone.
  4. 6. Support, protection and movement are all ____________ roles of the skeleton.
  5. 7. Nutrient store and blood cell formation (a.k.a. hematopoiesis) are ____________ roles of the skeleton.
  6. 9. How many types of bones are there?