Embedded in the inner membrane of the mitochondrion are a bunch of protein complexes that are involved in electron transport. They make up the electron transport chain (ETC).
HERE you will find an amazing website VIRTUAL CELL ANIMATION COLLECTION. Take a look at an electron transport chain (ETC). HERE there is another good video about ETC in mitochondria.
Useful animations are available HERE and HERE.
Some theory notes:
For practice try doing these tasks: web.mnstate.edu/provost/Chem410ETSOxPhosAnswers.pdf
Below you will find answers: web.mnstate.edu/provost/Chem410ETSOxPhosAnswers.pdf