The Colossal Colon is a 40-foot-long, 4-foot-high replica of a human colon. Visitors can crawl through the colon or look through the viewing windows to see healthy colon tissue, colon disease, polyps, and various stages of colon cancer. Under the auspices of the Cancer Research and Prevention Foundation, the giant model will be on display at various cities across the United States. The associated Web pages describe the replica and provide a list of scheduled appearances.
Go to: http://www.preventcancer.org/colossalcolon/
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