If he won't say it I will!
I feel in in my sinuses, my 'S' curved back, the charming way the bile duct and pancreatic duct are so close to each other that a gall stone in the bile duct can cause the pancreas to explode, the way small kidney stone won't drain out of the kidneys because the duct isn't on the bottom, the clever positioning of the prostate - a little swelling and ruptured bladder, the appendix, the slick way food has to pass over the airway to get to the esophagus, and putting the sewage disposal facilities right next to the playground...
If He was a designer working for me I'd fire Him!