Across
- 2. The organ that pumps blood around the body.
- 4. oxygen goes though the _______
- 10. makes up most of the body
- 12. carries blood to upper body
- 13. allows blood to flow in only one direction
- 15. one of the four chambers of the heart
- 16. one of the four chambers of the heart
Down
- 1. kills off diseases
- 3. oxygenated blood goes though the ________
- 5. The blood vessels
- 6. one of the four chambers of the heart
- 7. carries blood to lower body
- 8. is a thick wall
- 9. largest artery
- 11. one of the four chambers of the heart
- 14. carries blood away from the heart