Frog Dissection Website – 1994 version
Directions: View the following website: http://frog.edschool.virginia.edu/Frog1/menu.html and complete the packet.
Part 1: Introduction – From the main page, click “introduction”, then answer the following questions.
1. What is the purpose of the dissection? ______
2. What is the objective of the dissection?
______
3. What are the materials that will be used for the dissection?
______
*** At the bottom of the Introduction page, click on “If you're ready to begin dissecting: Preparation and Setup for the Dissection”
Part 2: Preparations –Briefly explain how to place the frog in the pan, and how to pin it down.
______
**Be sure to click “Let’s Practice pinning the frog. Once you are finished, click “skin incisions”.
Part 3: Skin Incisions (first skin and horizontal) – Review this section and answer the following question.
What is the purpose of this section?
______
**Be sure to complete ALL of the let’s practices in this section. This will help you learn how to cut into the frog.
Part 4: Muscle Incisions - Review this section and answer the following question.
What is the purpose of this section?
______
**Be sure to complete ALL of the let’s practices in this section. This will help you learn how to cut into the frog.
Part 5: Organ Systems: Review the four layers. Read each section and briefly explain the purpose of each layer.
Layer one
1. Briefly describe what to do for layer one:
______
2. What is the difference between the liver and the heart?
______
**Be sure to complete ALL of the let’s practices in this section.
Layer two
3. Briefly describe what to do for layer two:
______
4. What is the difference between the stomach and the gall bladder?
______
5. How do you remove the liver?
______
**Be sure to complete ALL of the let’s practices in this section.
Layer three
6. How do you get to the pancreas in order to see it? **Be sure to complete ALL of the let’s practices in this section.
______
Layer four – click on the make and female icon.
7. What are the differences between the male and female frog?
______
Congratulation! You are now ready to dissect a REAL Frog!
If you have time, visit the following website for more practice: http://www.froguts.com/flash_content/index.html#ventral3d (click on demos to the right! **You can also access the above website on your Science page via edline.net.