I mean, you're stuck with the one you've got, so you can't(*) pick your nose -- but then again, if there's one thing you can(+) pick, it's your nose.
Truly the most remarkable of organs!
(*): Disregarding, for the moment, the wonders of modern plastic surgery. (If they even qualify -- even if it looks different, isn't it still essentially the same?)
(+): Assuming you haven't lost all your fingers to traumatic injury or, say, leprosy.