Across
- 4. Hormone that does the opposite of calcitonin.
- 5. Where 2 or more bones meet.
- 7. Goes into cartilage and absorbs minerals. Means "building bones".
- 8. Osteoclasts are bone cells that __________________ the bone.
- 10. The layer that makes blood cells.
- 12. Tough tissues that hold joints together.
Down
- 1. Slippery, rubbery tissue that reduces friction in joint.
- 2. Lowers the concentration of calcium in your blood.
- 3. When your body is able to take care of itself.
- 4. The skeletal system __________________ your organs.
- 6. An example of a __________________ joint is your knee.
- 7. Bone cells that make and form the bone.
- 9. The skeletal system enables __________________.
- 11. Periosteum is the thin, dense __________________ layer of a bone that carries blood vessels and nerves.