Across
- 2. The largest artery in the body
- 4. Smallest blood vessels where gas exchange occurs
- 5. Prevent backflow of blood in the heart
- 7. cava, Vein that brings blood from the body to the heart
- 10. blood cells, Help fight infections in the body
- 12. Lower chamber of the heart that pumps blood
- 14. Type of blood found in the left side of the heart
- 15. Circuit that carries blood to and from the lungs
- 16. The liquid part of blood making up 55%
- 17. Valve between left atrium and left ventricle
- 19. node, Pacemaker of the heart
- 20. Carry blood toward the heart
Down
- 1. Type of blood found in the right side of the heart
- 3. Upper chamber of the heart that receives blood
- 6. Divides the left and right sides of the heart
- 8. Carry blood away from the heart
- 9. Valve between right atrium and right ventricle
- 11. Help with blood clotting
- 13. veins, Bring oxygenated blood from lungs to heart
- 18. blood cells, Carry oxygen using hemoglobin
