From around them, you would need a name of an energy.
For the nervous system, again, WHAT CHEMICAL?
Don't just tell me, "body," "mind," "around them.
Tell me what chemical, what energy, what method.
Also, evolved humans, would STILL, not have souls, unless they implanted themselves with them.
Which, I already created artificial souls, so you'd have to find another way to get a soul.
Did they genetically alter their bodies? Did they inject themselves with a chemical? How?
What? Elaborate it, dammit.