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. Author manuscript; available in PMC: 2016 Jun 10.
Published in final edited form as: Compr Physiol. 2013 Oct;3(4):1569–1610. doi: 10.1002/cphy.c130006

Figure 34.

Figure 34

The getaway car analogy. A car’s engine uses energy for locomotion. The bank robber’s getaway car is kept idling, so that the driver can rapidly shift from “park” to “drive.” As the engine idles, toxic combustion products are produced, which are detoxified by a catalytic converter. The oil lubricates the pistons. Eventually, the engine fails, and deposits are found in the engine and oil.