Conversation so far:
what is the final product of the electron transport chain
Water is the final product of the electron transport train.
what is the final electron acceptor in the electron transport chain?
Oxygen is the final electron acceptor
does the electron transport chain directly make ATP?
The electron transport chain does not directly make ATP
what do compounds become more of when moving through the electron transport chain?
Compounds become more electronegative when they move through the electron transport chain

Question: what is the function of NADH and FADH2 in the chain?
Self-contained rewrite: what is the function of NADH and FADH2 in the electron transport chain?