How to Grow Animals With Human Organs?

There's a number of questions here, this idea that you can grow animals with effectively human organs. Why start with pigs? What is it about pigs that makes them a good species for this kind of activity? So i think pig was used because of its sheer, similar size and physiology with human being. And the reason why monkey was not allowed, part of it is because of an ethical concern. Another reason was a a travee was passed from a non human primate to to to human. There was a a concern of zuonoses issue. You don't want pig viruses ending up getting transplanted along with the organ that you really want TRANSPLANTED. Exactly.