Across
- 4. takes in oxygen, excretes carbon dioxide
- 7. collects waste
- 8. stores urine
- 9. largest digestive organ
- 11. lower chamber of the heart
- 12. produces, stores, and eliminates blood cells
- 13. carry blood away from the heart
- 14. first part of the small intestine
- 16. filter blood
- 17. delivers oxygen
- 18. first to digest food using chemicals
Down
- 1. upper sections of the heart
- 2. digests sugar
- 3. carries food to the stomach
- 5. stores urine
- 6. moves digested food
- 10. carry blood to the heart
- 15. female reproductive system
- 19. membrane around the small intestine
- 20. part of the excretory system