The Evolution of a Balloon

Two chimpanzees were at it and then one day they gave birth to like a chocolatine. It's not as though one day there were two flat, uninflated balloons that went from 'uninflated' to full-sized filled balloon. Over the millions of years mankind hasn't been around that. I'm asking you as if you know, because you're like old and wise, but you don't have any idea.