What are the elements monetary value in a human body?
Blood is worth money if you donate it, so is plasma, a kidney, etc. You can also donate part of a liver or a lung...however, there was a fatality recently from somebody who donated part of a liver, so it could be those types of transplants won't happen in the future.
Of course from a corpse if you're an organ donor, even more parts can be used to help improve somebody else's life.