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.
Read more about this topic: Slitheen
Famous quotes containing the words gas and/or exchange:
“A new father quickly learns that his child invariably comes to the bathroom at precisely the times when he’s in there, as if he needed company. The only way for this father to be certain of bathroom privacy is to shave at the gas station.”
—Bill Cosby (20th century)
“... the subjective viewpoint is the only one to use regarding a library. Your true library is a collection of the books you want. You may have deplorably poor taste or bad judgment. Never mind. Correct those traits before you exchange your books.”
—Carolyn Wells (1862–1942)