Across
- 5. A thick walled blood vessel with oxygenated blood
- 6. Smaller upper heart chamber
- 7. blood cells Carry oxygen around the body.
- 8. Smallest kind of blood vessels
- 11. Gas we breathe in
Down
- 1. Word used about lungs
- 2. They separate heart chambers
- 3. Carry deoxygenated blood to lungs
- 4. Large heart chamber
- 9. Where red blood cells absorb oxygen
- 10. Biggest artery in the body