First, don’t have us breathe and eat through the same openings. No good can come of that. I realize the present design is very space efficient, like a toaster-oven, but seriously, what would be wrong with adding a second set of ducts? Of course, we’d have to make do without burping, but somehow, I think the species will survive.
Similarly, let’s have separate equipment for sex and for waste elimination. Enough said?
Additional arms and hands would definitely
Toes are useful only for wearing flip-flops or for getting stubbed. I’d gladly trade those in for webbed feet, especially during beach season.
Speaking of beach season, how about the ability to eat bacon cheeseburgers and donuts without putting on weight? This business of storing energy as fat is downright atavistic. For that matter, disease in general seems pretty useless, other than for thinning the herd. Does it make sense that we’ve evolved to be able to invent the KFC Double Down sandwich, but unable to eat it?
I think that’s about it. Oh, yeah … maybe we could be a little smarter and less violent. That wouldn’t hurt.