Across
- 2. prevents the backflow of blood
- 3. takes blood away from the heart
- 5. blood - blue coloured blood
- 7. valve between left atrium and left ventricle
- 11. the chamber at the bottom
- 12. separates the right and left side of the heart
- 13. takes blood back to the heart
Down
- 1. the artery that carries blood to the lungs from the heart
- 4. blood vessel that carries blood back to the heart from all around the body
- 6. - red coloured blood
- 8. main artery of the heart
- 9. valve between right atrium and right ventricle
- 10. the chamber at the top