Bone System

4. Most common type of cartilage
8. Any natural hole that on a bone
11. Interwoven beams in the epiphysis and any bone lacking a cavity
12. A hormone released by the parafollicular C cells that lower plasma calcium levels
13. Polynucleated cells that digest bone using protease enzymes
16. Bones that make up the cranium, scapulae, ribs
17. Cylindrical unit that are tightly packed consisting of concentric plates surrounding a central canal which vessels/ nerves run
18. Shaft of a long bone
19. End of a long bone
20. Forms stout walls of diaphysis and thinner outer layers of flat bones

1. Sacs that help with irritation free movement in joints, hips, shoulder, etc
2. Bones with 2 or more different shapes
3. Made of of 50% Collagen and 50% Hydroxyapatite is the bone _______
5. Bones which one axis is clearly longer then the other
6. Process of replacing Hyaline Cartilage with bony tissue
7. Bone-forming cells that secretes collagen into the bone matrix
9. a thin barrier that lines the inside of some of your joints encasing them in a type of fluid
10. A thin interlayer between the hyaline articular cartilage and the subchondral bone
14. Mature bone cells that engage in metabolic and calcium exchange with blood
15. Bones roughly cube shaped