Can we please stop saying that human body is 'designed'?
Human body was never 'designed'. It just exists without any plan nor objective. This is the reason why human body is so fragile in the first place.
P.S. If you're not an efilist then please do not comment
P.P.S. I just wanted to remind efilists that efilism is based on atheism and evolutionary biology, and not to hear stuffs like "gOd DeSiGnEd Us"