Frog Dissection Crossword

Across

1. Membrane that covers the eye
5. Opening in the mouth, airway
7. Tubes that equalize pressure to the eardrum
8. Regulates food exiting stomach; pyloric ___ valve
10. System that includes stomach and intestines
14. First section of the small intestine
16. Esophagus leads to the _____
17. Membrane that functions as an eardrum
19. Located above kidneys; only in male frogs
20. Teeth at the roof of the mouth
21. Spider-like membrane that covers the heart

Down

2. Can be large or small; digests food
3. Largest organ; has 3 lobes
4. Opening where waste, eggs, sperm exit
6. Located under the liver; __ bladder
9. Long tube that carries eggs in females
11. Lower (single) chamber of frog's heart
12. Used to capture food, attaches to front of mouth
13. Stores urine; urinary ____
15. Opening in the mouth, passageway for food
18. Famous frog from the Muppets