Across
- 2. related to the heart
- 4. vessels carrying blood away from the heart
- 6. vessels carrying blood to the heart
- 9. organ that pumps blood to different parts
- 11. largest artery
- 12. organ where blood gets oxygen
- 13. prevents backflow of blood
Down
- 1. top part of the heart
- 3. gas needed to grow, reproduce and turn food to energy
- 5. bottom part of the heart
- 7. largest vein
- 8. divides the heart into two
- 10. big artery