frog

Frog Dissection Crossword

google doc

puzzle grid

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