Across
- 1. protecting body from germs
- 6. clotting of blood
- 9. liquid part of the blood
- 11. valve present between left auricle and left ventricle
- 12. lower chambers of the heart
- 13. blood vessel that carries blood back to heart
Down
- 2. very thin blood vessels
- 3. transporting nutrients and oxygen
- 4. rhythmical throbbing of arteries
- 5. upper chambers of the heart
- 7. valve present between right auricle and right ventricle
- 8. fluid connective tissue that flows in blood vessels
- 10. blood vessel that carries blood away from the heart