Across
- 2. liquid that circulates throughout veins and arteries carrying oxygen towards tissues and carbon dioxide away from tissues
- 5. fine-branching blood vessels
- 7. carries deoxygenated blood towards the heart
- 8. largest artery in the body
- 9. carries oxygenated blood away from the heart
- 11. cells that fight diseases
- 12. chamber where blood is passed to the ventricles
Down
- 1. vein carries blood from the lungs to the heart
- 3. artery carries blood from the heart to the lungs
- 4. cells that carry oxygen towards tissues and carbon dioxide away from tissues
- 6. main chambers of the heart
- 10. organ that pumps blood throughout the circulatory system