Across
- 2. relaxation of heart muscles
- 5. organ that pumps blood to all the parts of the body
- 7. wall that divides the heart into left and right sides
- 8. cells containing protein molecule haemoglobin
- 10. blood gets its red colour because of this
- 11. help in blood clotting
- 18. intricate network of tubes that transport blood to entire body
- 19. thinnest blood vessels
Down
- 1. process of evaporation of water from its surface
- 3. contraction of the heart
- 4. carry food to different parts of the plant
- 6. carry oxygen rich blood away from the heart
- 9. defence forces of the body
- 12. process of removal of wastes from the body
- 13. movement of substances in an organism
- 14. this organ processes the waste and produce urine
- 15. this vessel helps in transporting water in plants
- 16. straw coloured liquid component of the blood
- 17. blood vessels with valves