Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Organ donation is the donation of biological tissue or an organ of the human body, from a living or dead person to another living person in need of a transplantation. The transplantable organs and tissues are removed in a surgical procedure following a determination depends on the donor's medical and social history to confirm whether they are suitable for transplantation. The laws of various countries allow potential donors to permit or refuse donation, or give this choice to relatives and the frequency of donations varies widely across countries...You can learn more about organ donation, organ transplantation and other related matters with the help of this book.