Across
- 4. Where two bones meet
- 6. What we breath.
- 7. Organs that help us to breath.
- 8. The waste product of breathing.
- 10. Move and hold together our skeleton.
- 13. How many minutes does oxygen power the muscles.
- 14. The bones in the tips of your fingers.
- 15. A acid that builds up in our muscles.
- 16. The pipe that food travels through.
- 19. Pumps blood around the body.
Down
- 1. Support of you back.
- 2. What powers the body.
- 3. Connects bone to bone.
- 5. Connects muscle to bone.
- 9. What system helps us to breath.
- 11. The bone on the inside of your arm.
- 12. The bone in the palm of your hand.
- 17. The bone in your upper arm.
- 18. The control center of your body.