What if It Wasn't?

In the future, whatever you can do yo want with the human body, if we're not dead. The idea of more effective organ transplants is that stem cells or bone marrow recipients could be used to create artificial organs. But getting it to where your brain can send and receive signals from it, like, that's the challenge,. Well, i think, i'm not an expert, but i feel like it's rlike replacing things. I guess hardest thing right now, what are probably like the brain end, like nerves, right? Like, god,Your spinal cord and stuff like that, the optic nerve, like the nerves of the issue, rightl everything else that can kind