Free virtual dissections online -- Updated links, added resources and worksheets (frogs, fetal pigs, horses, perch, clams, cow's eyes, pigeons, rats.
Note: These images are often understandably graphic and may be upsetting to some students.
Frog dissections and information:
Virtual dissections of other animals:
Labeled images of dissected animals, models and photographs:
Also check out The Salmon Dissection Game.
The following videos may be accessed through Clickview:
Understanding Disease Through History