These Pictures of general frog anatomy are taken from the on-line anatomy tools at Virtual Frog Dissection Kit, at Lawrence Berkley National Laboratory.  These tools will show you a lot more about frogs and you should use them to learn more.

Frog Top View - Skeleton, brain, eyes, and nervous system

Frog bottom view - lungs, heart, and liver.

Frog top view - stomach, kidneys, small intestines, and large intestines.