Across
- 4. Gallbladderine
- 7. grabs prey
- 9. waste collection
- 12. stores stuff
- 14. carry blood to heart
- 16. upper chambers of heart
- 18. hearing
- 19. first stop for chemical stuff
- 20. filters stuff
Down
- 1. moves food
- 2. stores acids
- 3. carry eggs in females part of reductive system
- 5. eliminates blood cells
- 6. transparent cover
- 8. Amphibians
- 9. delivers oxygen
- 10. air opening
- 11. tunnel
- 13. blood vessels
- 15. Large digestive gland
- 17. masses of fat