Across
- 4. A system that gives support and structure to the body
- 5. The stuff you breathe out
- 6. A system that has a lot to do with food
- 9. An organ that controls your body
- 10. The colour of oxygenated blood
- 12. A red liquid that is pumped around the body by the heart
- 13. A system that contains the lungs
- 16. One of the things you can breathe through
- 17. The stuff you breathe in
Down
- 1. A pipe which air travels through
- 2. A group of organs
- 3. A pipe that food passes through
- 5. A system that contains a lot of blood
- 7. The things you see through
- 8. A sport that contains a bow
- 11. The colour of nonoxygenated blood
- 14. A sport that you do in water
- 15. A sport that contains a ball