Granted, we are fond of our forms, but I'm still not convinced that we're particularly fond of our cells. I think that, given the option, most people would cho

Granted, we are fond of our forms, but I'm still not convinced that we're particularly fond of our cells. I think that, given the option, most people would choose to live in a body that is identical in appearance and function to their own but that needn't get sick, tired, hungry, or old -- even if it meant replacing the cell substrate with something different. Actually, for all intents and purposes, that is the goal of modern medical science. Sure, achieving it would raise all sorts of new issues and problems, but it's what we work towards right now. Likewise, it wouldn't surprise me if a large system comprised of humans seeks to replace humans with more reliable parts. As you point out it's already happening. :)