Dead bodies have always been used in medicine. But demand for human tissue is outstripping supply, resulting in the gruesome new trade of body brokering, in which unscrupulous traders have used the bodies of those who haven't given their permission, with devastating consequences.
In this slideshow, however, we take a look at what companies legitimately trading in body parts — those who source from willing donors and sell to legitimate medical facilities — are making on specific body parts.
Want to find out how much your body is worth on today's legal market? Click ahead to find out.
By Constance Parten
Graphics: Paul Alvord for CNBC.com
Posted March 22, 2010