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Name___________________________________________ Period______ Date__________________ Virtual Frog Dissection Worksheet 1. Go to www.froguts.com Select DEMO and begin. Click the little arrow to right of bottom bar to show controls Full screen gives better view. Go through step by step. Dissecting using online tools Exterior observations : Describe each organ/system as program guides you 1) Frog skin – 2) Nictitating Membrane – 3) External nares – 4) Tympanum – 5) Leg adaptations – 6) Cloaca – 7) Male frog characteristics – 8) Female frog characteristics - Follow instructions and click on parts as you are instructed. Describe each briefly (using the next link.) a) Abdominal cavity – b) Thoracic cavity – c) Heart – d) Liver – e) Stomach – f) Small intestine – g) Large intestine – h) Lungs – i) Bladder – 2 Go to http://froggy.lbl.gov/cgi-bin/dissect - Build a frog by parts 3 Go to http://www.biologyjunction.com/frog_dissection.htm - use the information here to complete the lab 4 When finished, complete quizzes at the end of lab. Record scores. Post Lab Questions: 1. The membrane that holds the coils of the small intestine together: ________________ 2. This organ is found under the liver, it stores bile: ______________________ 3. Name the 3 lobes of the liver: ____________, _______________, ______________ 4. The organ that is the first major site of chemical digestion: ____________________ 5. Eggs, sperm, urine and wastes all empty into this structure: ___________________ 6. The small intestine leads to the: ____________________ 7. The esophagus leads to the: _______________________ 8. Yellowish structures that serve as an energy reserve: ____________________ 9. The first part of the small intestine(straight part): _______________________ 10. After food passes through the stomach it enters the: ____________________ 11. A spider web like membrane that covers the organs: ______________________ 12. Regulates the exit of partially digested food from the stomach: ________________ 13. The large intestine leads to the __________________ 14. Organ found within the mesentery that stores blood: _____________________ 15. The largest organ in the body cavity: _____________________ Label Diagram A. __________________________________ Internal Organs B. __________________________________ C. __________________________________ D. __________________________________ E. __________________________________ F. __________________________________ G. __________________________________ H. __________________________________ I. __________________________________ J. __________________________________ K. __________________________________ L. __________________________________ M. __________________________________ N. __________________________________ Go to https://www.biologycorner.com/frog/frogtest1.html Take on line frog part quiz. Score= __________ Go to http://www.tnmanning.com/Test/Tests/frog__anatomy_test_no._2.htm Take on line frog part 2 quiz. Score= __________