Across
- 4. Force the blood through your system
- 6. The movement of molecules
- 8. The heart and blood vessels that circulate blood
- 9. Pumps blood away from heart
- 12. Carries blood away from heart
- 13. It is red and flows through your veins
- 14. It beats
Down
- 1. Blood vessels located throughout your body
- 2. The heart
- 3. To move in a circle
- 5. Transforms blood throughout the body
- 7. A colorless and odorless gas
- 10. Where blood exchanges oxygen and nutrients
- 11. The movement of blood
- 15. Upper chamber of the heart
