frog anatomy

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Across
  1. 4. the straight part of the small intestine
  2. 9. extension of the stomach
  3. 10. shiny black globe
  4. 12. carries blood away from the heart
  5. 13. is attached to the front of the mouth
  6. 15. equalizes pressure when the frog dives
  7. 18. underneath the liver
  8. 20. protects the eye while swimming
  9. 21. curly near the abdomen
Down
  1. 1. flattened reddish organs lying along the spine
  2. 2. use them to hold prey in place before swallowing them
  3. 3. gives air to the body
  4. 5. membrane with blood vessels inside
  5. 6. is also known as the colon
  6. 7. helps the frogs hear
  7. 8. leads to the lungs this is how they take in air
  8. 11. on the rim of the mouth
  9. 14. has three parts and is right below the frogs head
  10. 16. the holes on the outside of the head
  11. 17. tube leads to the stomach
  12. 19. has three lobes