Paul Saladino· MD
there's heavy chain which is found principally in the heart in the kidney but it's also found in the cells but it's also found in the nucleus of the cells well heavy chain is like an ATM machine put iron in take it out put it in take it out now what if you want to go geek start looking in your medical textbooks and you'll see other references to other heavy proteins every one of them has a connection to Copper