For the body to survive, the system that controls potassium must inherently “know” what is needed and do it naturally.
Chance and the laws of nature result in debility and death, not functional ability and life.
It is well known that all of the fundamental constants of physics are finely tuned to make life possible in our universe.
Let’s assume that a primordial sea filled with life’s building blocks did exist on the early Earth, and somehow it formed proteins and other complex organic molecules.
Without the genetic instructions, it doesn’t matter how much the filaments and flowers resemble life.