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Xenotransplantation Beginning of Paper Approximately 4500 Americans under the age of 65 could benefit each year from heart transplatantion, yet only 2000 human hearts are available annually. This problem and many more could be solved in the near future due to a procedure called . is the ability to adapt animal organs for .... Middle of Paper .... Thanks to Jeffery Platt, a professor of experimental surgery at Duke University Medical center who devoted his career to the understanding of how the human immune system recognizes foreign implanted tissue and rejects it. He concluded that the immune system works likes an army with several lines of defense to protect the body from infection by foreign organisms such as bacteria and parasites. This line of defense will also attack a foreign organ. It will do this by gradually causing an ischemic blockage of the organs blood supply, and will be .... 808 words | 3 pages Subscription Length Price Join 30 days membership (recurring) $19.95 90 days membership (recurring) $39.95 180 days membership (non-recurring) $69.95