Across
- 1. a simple carbohydrate
- 5. vessels that transport oxygenated blood from arteries to capillaries
- 6. minute tubes carrying blood to body cells
- 9. lower right section of the heart
- 11. a gas you breathe out
- 12. through the heart in a spacific pathway
- 14. the red pigment in the red blood cells
- 15. the stuff that makes blood red
- 17. hollow tubes with thick walls carrying blood
- 19. helps you breathe
- 21. upper left section of the heart
- 22. blood vessels that carry blood back to the heart
Down
- 2. lower left section of the heart
- 3. a large arterie through which oxygenated blood is pumped
- 4. muscular organ that pumps blood through the circlatory system
- 7. moves blood to and around parts of the body
- 8. a form of energy released during celluar respriation
- 10. upper section of the heart
- 13. the vessle through which oxygenated blood
- 16. the red stuff inside you
- 18. a gas in the air that you need to breathe
- 20. helps you think