Across
- 4. Gas exchange occurs here
- 5. Carries oxygenated blood away from the heart to the capillaries
- 6. Carries Deoxygenated blood away from capillaries to the heart
- 9. The innermost layer of the heart wall
- 10. The third path through the heart
- 11. Has two layers
- 12. The second path through the heart
- 14. White blood cells
- 15. Part of the Oxygenated
Down
- 1. Part of the Deoxygenated
- 2. The thick middle layer of the heart wall
- 3. Help to Clot blood
- 7. The first start of Deoxygenated
- 8. Transportation: Oxygen and Carbon Dioxide
- 13. The main blood vessel