On the human body, Walrus, Pencil and Toothbrush are all types of what?
Toothbrush moustache originally became popular in the late 19th century in the United States. It was a neat, uniform, low-maintenance style that echoed the standardization and uniformity brought on by industrialization, in contrast to the more flamboyant moustaches typical of the 19th century such as the Imperial, Walrus, Handlebar, Horseshoe, and Pencil. Charlie Chaplin was one of the most famous wearers of the toothbrush moustache, first adopting it sometime after 1914 for his Mack Sennett silent comedies. In a 1933 interview, Chaplin said he added the moustache to his costume because it had a comical appearance and was small enough so as
Composition of the human body viewed on an atomic and molecular scale as shown in this article. The estimated gross molecular contents of a typical 20-micrometre human cell is as follows: Body composition can also be expressed in terms of various types of material, such as: There are many species of bacteria and other microorganisms that live on or inside the healthy human body. In fact, 90% of the cells in (or on) a human body are microbes, by number (much less by mass or volume). Some of these symbionts are necessary for our health. Those that neither help nor harm humans are called commensal