Across
- 2. pumping organ of circulation.
- 4. carried oxygen & carbon dioxide by.
- 7. immunity cells in blood.
- 8. number of chambers in the heart.
- 10. carried by RBC.
- 11. blood collected from lungs to distribute.
- 14. heart shape.
- 15. lower chambers called.
Down
- 1. location of the heart in the chest.
- 3. upper chambers called.
- 5. blood which collected from body to heart.
- 6. fluid connective tissue.
- 9. heart size.
- 11. oxygenated blood.
- 12. Deoxygenated blood.
- 13. transportation of food,O2,CO2&nitrogenous wastes.