Crackin' Crossbones: The Structure of Bones

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Across
  1. 5. _______ Bone Marrow; contained in the small cavities of spongy bone
  2. 8. Covers the surfaces of the bone except at the joints
  3. 10. ______ Skeleton; consists of 126 bones
  4. 12. The long shaft of a bone
  5. 13. _______ Bone; forms the outer layer of all bones (known as cortical bone)
Down
  1. 1. Lines the inner surface of a bone
  2. 2. ______ Cartilage; forms a joint with another bone
  3. 3. ______ Cavity; contains yellow bone marrow
  4. 4. _______ Plate; layer of hyaline cartilage that separates the diaphysis and the epiphysis during bone growth
  5. 6. _______ Bone; filled with red bone marrow
  6. 7. Maintains the bony matrix; mature bone cells
  7. 9. _____ Skeleton; consists of 80 bones
  8. 11. The end of a bone