1. Frog Dissection

2. Nictitating Membrane • Cleans the eye of debris • Act as “swim goggles” • Protect the eye

3. Tympanum • Hearing

4. Male or Female? • Sex can be determined externally by looking at the thumb • What sex is your frog?

5. Internal Nares • openings for the entry or exit of air

6. Maxillary Teeth • Sharp teeth in the maxilla of a frogs mouth that function in holding captured prey

7. Vomerine Teeth • Sharp teeth in the maxilla of a frogs mouth that function in holding captured prey

8. Liver • secrets bile needed for the digestion of fats

9. Heart • Pumping organ of the circulatory system • Has 3 chambers

10. Lung • aid in supplying oxygen to the body and getting rid of carbon dioxide

11. Stomach • food storage organ • the first major site of chemical digestion

12. Pancreas • make insulin • makes pancreatic juice which helps with digestion

13. Large Intestine • Material that cannot be digested passes through here on the way to the rectum and then the cloaca. • Water is absorbed here

14. Gall Bladder • storage area for bile

15. Female Reproduction Eggs Oviduct Tubes of a female frog’s reproductive system that carry eggs from the ovaries to the cloaca female sex cells

16. Male Reproduction Testes Sperm Duct Male sex organs that produce sex cells (sperm). Tubes that carry sperm to the cloaca

17. Spleen • stores and destroys old blood cells

18. Kidney • filter the blood and remove the wastes to make urine