Well...

I no longer have an A in there, due to an awful quiz on glycolysis, the citric acid cycle, and the electron transport chain. Please someone, explain to me why I need to know that stuff to tend to gunshot wounds, stab victims, and people having heart attacks? Do I really need to know that glycolysis is the process that converts glucose into pyruvic acid? Or that the citric acid cycle ends with oxaloacetic acid? Or that the electron transport chain produces 30 ATP molecules plus water? Does anyone really need to know that stuff? Maybe it's relevant, but I don't know.