Third hour frog crossword that is the goat of all crosswords

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Across
  1. 4. Lower chambers of the heart.
  2. 5. Largest digestive gland.
  3. 7. Delivers oxygen to the body.
  4. 8. Masses of fat.
  5. 9. Where eggs are held in female frogs.
  6. 12. Stores urine.
  7. 14. Upper chambers of the heart.
  8. 16. Carry blood back to the heart.
  9. 17. Produces, stores, and eliminates blood cells.
  10. 18. Stores solid waste and eggs.
  11. 19. Catch prey.
Down
  1. 1. Stores bile.
  2. 2. Moves food out of the body.
  3. 3. Blood vessels that carry blood away from the heart.
  4. 6. Air openings
  5. 10. Collects waste.
  6. 11. Filters blood and make urine.
  7. 13. Brings food down with muscles.
  8. 15. Digestion of sugar.
  9. 17. First site of chemicals is used in frog digestion.