Across
- 2. Type of blood cell that makes scabs
- 5. Type of blood cell that fights infections
- 6. Also called your 'windpipe"
- 10. Largest artery in your body
- 11. Side of the heart that carries deoxygenated blood
- 12. Type of blood cell that supplies oxygen and nutrients
- 15. Fills with air and supplies our body with oxygen
- 16. Filters and warms air
Down
- 1. Bottom part of a heart chamber
- 3. Expands and contracts to help us breathe
- 4. Side of the heart that carries oxygenated blood
- 7. Top part of a heart chamber
- 8. Muscle that pumps blood through our body
- 9. Carry "clean" blood through our body
- 13. Carry the "dirty" blood back to the heart
- 14. Type of blood cell that carries waste out
