Frog Anatomy Vocabulary O 1. Peritoneum – Spider web like membrane O O O O that covers organs. 2. Stomach – 1st site of chemical digestion; breaks down food. 3. Liver – Makes bile (largest structure in the body cavity; brown colored) 4. Gall Bladder – Small green sac under the liver that stores bile 5. Esophagus – Tube that leads from the mouth to stomach O 6. Pancreas – Makes insulin (aids in digestion) O 7. Small Intestine - (duodenum and ileum) absorbs nutrients from food O 8. Mesentary – Holds coils of small intestine together O 9. Large Intestine – Collects wastes; absorbs water O 10. Cloaca – Urine and feces held in this area (the sewer) O 11. Spleen – Dark red spherical object that serves as a holding area for blood O 12. Kidneys – Flattened bean shaped organs that filter wastes from blood O 13. Vomarine and Maxillary Teeth – Used for holding prey O 14. Internal Nares – (nostrils) used for breathing O 15. Eustachian Tubes – equalize pressure in inner ear O 16. Glottis – tube leading to the lungs O 17. Tongue – aids in grabbing prey; front is attached O 18. Tympanic Membrane – eardrum; located behind eyes O 19. Nictitating Membrane – clear eyelid; protects the eye O 20. Fat Bodies – Spaghetti shaped structures that are bright orange or yellow O 21. Urogenital System – reproductive and excretory system combined into one system O 22. Heart – located at the top of the liver and is triangular in shape O 23. Lungs – located underneath and behind the heart and liver; they are spongy O 24. Bladder – a sac that holds urine