Across
- 4. Upper chambers of the heart
- 5. Lower chambers of the heart
- 7. WBC
- 9. 0xygen + haemoglobin
- 11. Largest artery
- 13. Nutrient needed for energy
- 14. AV valve on the right side of the heart
Down
- 1. RBC
- 2. 90% of plasma
- 3. Alternate name for Bicuspid Valve
- 6. Blood clotting agent
- 8. Arteries that supply the heart directly
- 10. 55% of blood
- 12. Returns deoxygenated blood to the heart