“Mitochondria is the Powerhouse of the Cell”is an expression describing the function of mitochondria organelles found in the cells of eukaryote organisms. On Tumblr, the phrase is typically mocked as an example of impractical information taught in public schools.OriginThe phrase “powerhouse of the cell” used to describe the function of mitochondria was coined by biologist Philip Siekevitz in the article “Powerhouse of the Cell” published in 1957. In April, 2013, Tumblr[1]user apatheticghost posted several things learned in school, which included “mitochondria is the powerhouse of the cell” (shown below). In the following two years, the post gained over 992,000 notes.SpreadOn February 12th, 2014, Tumblr user thomas-stillinski posted a photo of a biology exam in which the function of mitochondria is described as “the powerhouse of the cell” (shown below, left). On June 8th, Tumblr user kanga-roux posted another photo of a biology exam with mitchondria described as “the powerhouse of the cell” (shown below, right).