Which does the electrons chain do during cellular repiration?

During cellular respiration, the electron transport chain (ETC) plays a crucial role in generating ATP, the energy currency of the cell. It is located in the inner mitochondrial membrane and comprises a series of protein complexes that transfer electrons derived from NADH and FADH2, produced in earlier stages of respiration. As electrons move through the chain, they release energy, which is used to pump protons (H+) across the membrane, creating a proton gradient. This gradient drives ATP synthesis as protons flow back into the mitochondrial matrix through ATP synthase, ultimately producing water when electrons combine with oxygen, the final electron acceptor.