Gas Exchange
When the Slitheen are in their skin suits they fart loudly; they call this the gas exchange. This can also be caused by over-eating. In "The Gift" (Sarah Jane Adventures) Sarah Jane and the gang destroy the food,a plant called Rakweed, which is native to Raxacoricofallapatorius, in the stomachs of the Blathereen, which produced methane gas.
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Famous quotes containing the words gas and/or exchange:
“Man moves in all modes, by legs of horses, by wings of winds, by steam, by gas of balloon, by electricity, and stands on tiptoe threatening to hunt the eagle in his own element.”
—Ralph Waldo Emerson (1803–1882)
“Development, it turns out, occurs through this process of progressively more complex exchange between a child and somebody else—especially somebody who’s crazy about that child.”
—Urie Bronfenbrenner (b. 1917)