https://www.reddit.com/r/ExplainTheJoke/comments/1bpqei2/apparently_its_an_oldie/

The mitochondria is talked about quite a bit in this subject, almost ad nauseum. Rightfully so, it is the ‘Powerhouse of the Cell’ and is a major component to not only how the cell works but ultimately how the cell, and everything, essentially lives. You simply cannot escape it.