Across
- 3. Unnatural
- 6. Red protein
- 8. Love
- 10. Relating to Lungs
- 12. Deoxygenated blood vessel
Down
- 1. Oxygenated blood vessel
- 2. Heart contraction
- 4. Decreased flow of oxygenated blood
- 5. Weakened blood vessel
- 7. Red liquid
- 9. Fluid control in body
- 10. Moves fluid
- 11. Collection of tissues