Organ transplantation is a life-altering and life-saving medical breakthrough, one that more than 120,000 people in the United States are currently awaiting. This comprehensive volume is a fascinating guide to organ transplants, beginning with the first animal-to-human transplants and the innovations that led to the successful operations of today. Included is eye-opening information such as the physiological challenges that face those who receive and donate organs. Readers will also come to understand the organ donation process, an important aspect of deciding whether they will be organ donors in the future.