The electron transport chain is the step wise process of cellular respiration that is responsible for producing: Water (with the help of oxygen we breathe) up to 34 ATP (thanks to the proton gradient) NAD and FAD (which are recycled to be used again in the Citric acid cycle and glycolysis)Apr 8, 2012
i got this from www.dbriers.com/tutorials/2012/04/the-electron-transport-chain-simplified/
so the credit goes to them