Across
- 2. location where two or more bones meet
- 3. helps the chest expand
- 7. hollow organ in the center of the chest
- 8. connects bone to bone
- 10. structure shape and protection
- 12. provides oxygen to the body
- 13. moves blood throughout the body
Down
- 1. collection of similar cells
- 4. hair skin and nails
- 5. transports oxygen and nutrients
- 6. allows movement
- 9. largest organ of the body
- 11. connects muscle to bone