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