This is essentially targeted euthanasia. While the frog is anesthetized, splitting the connection between the brain and spine kills the frog without damaging most of the body.
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The frog dissection is described on pages 148-151 in the book "Speak" by Laurie Halse Anderson.
The most common frog dissection method is to slice a capital "I" shape on the ventral side of the frog. Peel open and pin back the skin, then repeat this for the muscle layer. Remove fat bodies and observe.
licking the table clean
It is not necessary, but this can help hold the frog in place more efficiently.
I wouldn't advise using a live frog for dissection as that is cruel. Most schools and universities use fogs that have been purchased and are already dead, stored in a preservation solution.
Frog dissection is commonly considered important because it teaches participating students about the simplified human form of the internal body cavities.
i don't know u figure it out and stop cheating on your frog dissection worksheet!:[
Because dead body tissue for dissection is preserved with formaldehyde, which when generously portioned onto the skin can cause severe cases of cancer.
That would most definitely be the intestines. (I actually just did a dissection today, and had to measure everything.)
In a typical frog dissection class, you will discuss the anatomy and physiology of frogs and other creatures. You will learn about the skeleton, muscles, and internal organs of the amphibian.