GUIDE TO A FROG DISSECTION
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Transcript of GUIDE TO A FROG DISSECTION
GUIDE TO A FROG DISSECTION
ByMr. Berg and Ms. Cerletty
For this dissection Mr. Berg will be wearing black gloves in an attempt to be super cool.
Incisions- Step 3The skin of the frog is extremely thin. If you are cutting through muscle and exposing internal organs STOP. You have cut too deeply.
Observing the skin- Step 5
Skin flap.
You may remove this.
Blood vessels
Abdominal muscles
Cutting through the muscles of the abdominal wall- Step 6
Do not drink the juice. Down the sink with it!
For female frogs only!
Fat bodies
Liver Liver Chicken Dinner
Gallbladder
Stomach
Stomach
Pyloric sphincter
Small Intestine
Large Intestine
Spleen
Kidney’s and Bladder
This is where you should find the bladder. We destroyed ours by not being careful. If you find yours let us know and we’ll add it to this awesome power point.
Male reproductive structures
Female reproductive structures.
F EggsG Oviduct
Do you know what E is?
Heart
Lungs
Removing the stomach- Step 9
Cut at the pyloric sphincter and the esophagus
Note the folds in the stomach which allow for expansion. Watch out for live crayfish!
Removing and measuring the intestines- Step 10 and 11
Always do your lab in pencil.
Comparing a frog and human heart