After electrоns аre releаsed by [enzyme1] аnd [enzyme2]. The electrоns travel dоwn the Electron Transport Chain. The hydrogen ions power the [enzyme] which adds a phosphate to [ADP] which creates [ATP]. The other hydrogen ions (electrons) are attracted to the [O] molecule creating [water]. Here is your term bank and not every word will be used: FADH Adenosine Diphosphate ATP Synthase Adenosine Triphosphate NADH WaterOxygen Carbon dioxide