frog cross word 7th hour

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