Body Systems
Across
- 9. Energy
- 10. Bronchus
- 11. air sacs
- 13. Artery
- 15. Glucose
- 18. oxygen
- 19. carbon dioxide
- 20. heart
- 21. right atrium
- 22. oxygenated
Down
- 1. left atrium
- 2. left ventricle
- 3. Deoxygenated
- 4. windpipe
- 5. Circulatory
- 6. right ventricle
- 7. Vein
- 8. Respiratory
- 10. Bronchioles
- 12. valves
- 14. Respiration
- 16. lungs
- 17. capillary