Across
- 2. This protects the heart and lungs.
- 4. This is the shoulder blade.
- 5. The backbone is also called this.
- 7. The smaller bone in the lower leg.
- 8. The body's largest organ
- 10. The breastbone is called this.
- 11. Also called the shinbone.
Down
- 1. Another name for the skull.
- 2. Bone marrow produces ______ blood cells.
- 3. The outside of your bones are made of this.
- 6. The hipbone is also called this.
- 9. The cranium protects this.