Organ Transplantation, Euthanasia, Cloning and Animal Experimentation

Muslims believe that everything they own has been given to them as a trust from Allah. Would it constitute a breach of that trust to consent to enrol oneself as an organ donor? While euthanasia may apparently alleviate suffering of the terminally ill, would that not compound their agony in the life hereafter? The author sheds lights on these issues and acqaints the reader with the latest rulings on these biotechnological manipulations.