<unk>  is the removal of the tissues of the human body from a person who has recently died, or from a living donor, for the purpose of transplanting.<unk> s and tissues are removed in procedures similar to surgery, and all incisions are closed at the conclusion of the surgery. Steps are taken to provide a traditional funeral viewing. People of all ages may be<unk>  and tissue donors. See<unk>  transplant" for discussion of the mechanics and history of<unk>  transplantation.
In numerical terms,<unk> s from dead donors far outweigh<unk> s by living ones. The laws of different countries allow either the potential<unk>  donor to consent or dissent to the<unk>  during his life time, or his relatives to consent or dissent. Due to these different legislative possibilities, the number of<unk> s per million people varies substantially in different countries.
Organ donation
Body donation
Blood donation
Transfusion medicine
Pancreas transplantation
Cadaveric blood
Allotransplantation
Blood transfusion