He does not know relatively, quantum mechanics, chemistry or any scientific stuff because he does not need to. Same as if you had magic or supernatural powers you could command a car to appear before you, get in and drive it away without any knowledge about what it is made from, the engine or how it operates.
Do you think God is bothering to learn from human scientific achievements if he is not too busy with spiritual stuff?
Frankenstein.
In the original, the "monster" was not pieced together from dead bodies - but was made from clay.
(which has always made me wonder if Mary Shelley "borrowed" the idea from the idea of golems)