Certain body structures and adaptations can be seen in frogs that illustrate how they evolved over time and how they fill particular niches in the ecosystems they belong to. In addition to learning about themselves, students can learn about ecology and evolution through frog dissection. The organs present in a frog, and the way they are laid out in the body, are similar enough to humans to provide insight for students about how their bodies work. While the way their bodies work is nowhere near identical to a human’s, there are many similarities. One reason frogs are often chosen to be dissected is that their bodies provide a good overview of the organ systems of a complex living thing. While there are various aspects that may differ between humans and other animals, many of the organ systems in complex animals work in similar ways to those of humans. Seeing these organs and understanding how they work within a single animal allows students to understand how these systems work within many other animals, including themselves. In dissecting an animal, students see, touch, and explore the various organs in the body.
There are many reasons that students in biology classes are asked to perform dissections, and they have a lot to do with understanding the body and the wider world. But, apart from inspiring the medical professionals of tomorrow, what is the purpose of dissection? And more importantly, why is everyone always dissecting those poor green amphibians? There are many surgeons who say that they first discovered their life’s passion standing over a dissected frog in a middle or high school biology class.
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