Our bodies are more complex than we can design for yet. Most organ replicating machines will start to fail after a couple of hours due to complications like clo

Our bodies are more complex than we can design for yet. Most organ replicating machines will start to fail after a couple of hours due to complications like clots. The heart is probably the simplest due to it's very simple function. We also have kidneys mostly working. But everything else is still problematic.