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What's the difference between the world's first artificial heart and the real heart?

the University of Hong Kong has created the world's first man-made Mini heart. Researchers use stem cells, with the help of genetic engineering and other technologies. Perhaps in the future, the research and breakthrough in this field of medicine will bring good news to mankind.

It only needs a few liters of blood to rebuild the exclusive human Mini heart. The use of artificial heart with human cells can effectively test drug toxicity, improve drug efficacy, improve the efficiency of new drug development and reduce the cost of research and development. In an exclusive interview with the BBC, Professor Li Dengwei said that persistence is the secret of his career success.