In the real world a design logically implies a designer. The human body abounds with both simple and complex parts with intricate designs. The pulley is one of man's most work-saving machines. Thirteen examples of pulleys in the human body, grouped into five classes, are discussed. It is logical to conclude that these complex, mechanical examples did not evolve by consecutive random accidents of unthinking molecules but are the results of the planned thinking and workmanship of a Divine Designer.