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