Across
- 5. delivers oxygen
- 6. bloodvesses that carry blood away
- 8. uptakes sugar
- 9. lower chamber of heart
- 11. filters blood
- 14. stores urine
- 15. masses of fat in the body
- 17. hearing
- 18. the upper chambers of the heart
- 20. stores solid eggs
- 21. carries blood to heart
Down
- 1. a cover over the eye to protect it
- 2. stores bile
- 3. opening to exchange gas
- 4. holds waste
- 7. carries eggs in female frogs
- 10. largest digestive system
- 12. first part of digestion
- 13. what they use to see
- 16. moves waste out of the body
- 19. what they use to eat