ok ill copy some of whats in the biology 6th edition campbell and reece text and then somehow make sense of it lolz goodluck but can i say its yr 12 you actualyl dont need to learn the inner grit of it, just like the main reactions that occur and its outputs
"The inner mitochondrial membrane couples electron transport to ATP synthesis: Most of the ATP made in cellular respirtation is produced by oxidative phosphorylation (((In the third stage of respiration, the elctron transport chain accepts electrons from the breakdown products of the first two stages usually via NADH and passes these electrons from one molecule to another. At the end of the chain, the electrons are combines with hydrogen ions and molecular oxygen to form water. The erngy released at each step of the chain is stored in a form the mitochondria can use to make ATP. This mode of ATP synthesis is called oxidative phosphorylation))) when NADH and FADH2 donate electrons to the series of electron carriers in the electron transport chain. At the end of the chain, electrons are passed to O2, reducing it to H20. Electron transport is coupled to ATP synthesis by chemiosmosis (((An energy-coupling mechanism that uses energy stored in the form of hydrogen ion gradient across a membrane to drive cellular work, such as synthesis of ATP))). At certain steps along the chain, electron transfer causes electron-carrying protein complexes to move H+ from the matrix to the intermembrane space,storing energy as a proton-motive force (H+ gradient). As H+ diffuses back into the matrix through ATP synthase, its exergonic passage drives the endergonic phosphorylation of ADP."
oO