Artificial organ to become stronger and lighter, limiting the amount of extra energy necessary to operate the limb. Additional materials have allowed artificial limbs to look much more realistic. Prostheses can roughly be categorized as upper- and lower-extremity and can take many shapes and sizes. New advances in artificial limbs include additional levels of integration with the human body. Electrodes can be placed into nervous tissue, and the body can be trained to control the prosthesis. This technology has been used in both animals and humans. The prosthetic can be controlled by the brain using a direct implant or implant into various
Murder for body parts Murder for body parts The murder of human beings for their body parts is a crime in all countries. Such practices have been confirmed or suspected to occur within a handful of contexts. Medicine murder (not to be confused with "medical murder" due to medical negligence) means the killing of a human being in order to excise body parts to use as medicine or for magical purposes in witchcraft. Medicine murder is not viewed as a form of human sacrifice in a religious sense, because the motivation is not the death of a human or the effecting of magical changes