Across
- 4. Made of many organs
- 8. pushes food down
- 10. holds urine
- 11. made of many cells
- 12. Small sacs
- 13. connect
- 15. heart to back to heart
Down
- 1. filter blood
- 2. liquid part of blood
- 3. brings in and out oxygen
- 5. Transports things
- 6. Fights disease
- 7. basic thing of life
- 9. large sac chemical and physical digestion
- 14. blood away from heart