Frog dissection involves analyzing each of the frog's vital systems and considering how they work with each other. The digestive, respiratory and nervous systems are similar in composition to that of humans, but the frog's anatomy has many unique aspects. A frog's eye has three lids, the third of which is transparent and protects its eyes underwater. The frog's long curled tongue, used to snag flies and insects, is also important to examine.
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