Across
- 7. Liquid part of blood
- 8. Transports nutrients
- 9. system Organs that work together
- 11. A organ that makes up most of the respiratory system
- 12. Lower chamber of the heart
- 14. Where blood delivers the nutrients
Down
- 1. Fights diseases
- 2. Upper chamber of the heart
- 3. Organ that continues digestion
- 4. Blood back to heart
- 5. Air sacks
- 6. Where digestion digestion starts
- 7. Cell fragment
- 10. Blood away from heart
- 13. Smallest unit of life