Frogs crossword

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Across
  1. 3. Part of the digestive system
  2. 5. The two upper chambers of the heart
  3. 6. filters blood
  4. 7. The first part of the small intestine
  5. 9. deliver oxygen to the body
  6. 11. large digestive gland or organ in the body
  7. 13. Transparent cover that protects the eye
  8. 14. Air opening to exchange gas
  9. 15. lower chamber of the heart
  10. 16. Uptake of sugar
  11. 17. Female frogs carry eggs
  12. 19. stores urine
Down
  1. 1. masses of fat in the body
  2. 2. moves digestive food out of the body
  3. 4. stores bile
  4. 8. thin membrane that holds coils
  5. 9. all waste is collected
  6. 10. Blood vessels that carry blood to the heart
  7. 12. Blood vessels that carry blood away from the heart
  8. 18. Stores solid waste