You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Xeno transplantation of heart in human being, which of the animal heart has been used? and explain in detail?
Ans. (a) PigRef: Internet Source* Xeno transplant of Piglet heart is tried and has shown successful survival in humans for 200 days.* Pigs were chosen because their anatomy is more or less same like human anatomy.