Most folks are born with two kidneys, but did you know some people have three 💜 💜 💜 ? When you’re born with more than two, those extras are called supernumerary kidneys and it’s extremely rare, with fewer than 100 known cases. Having three kidneys is more common following a transplant — they hook up the new one and leave the old one in!
My pal Michele of Crowded Teeth told me a cute story about a friend of hers who got her boyfriend's kidney after one of hers failed. It seems he's a very big guy and she's very wee, so her newer and larger kidney sticks out a little bit. I never really thought about the fact that -- duh -- your organs are proportionate to your body size. Obvious, but interesting. Hell, if that kidney fits, go ahaed and wear it.