This is a coloring page for a jumping jack - a paper figure that will raise arms and legs if you pull the strings. You have to cut it out and assemble yourself, though. jumping jack coloring book line art Jumping Jack coloring page
This is clipart converted and broken apart that has been released into the public domain because the document says so, and its from NASA, a USA government agency. The publication is called "The Brain in Space:" http://www.nasa.gov/audience/foreducators/topnav/materials/listbytype/The.Brain.in.Space.html nasa space science 58294main_The.Brain.in.Space-page-75-ear-vestibular-system
A diagram of the human intestines. 'Figura de Situ Viscerum' From Magnus Hundt's 'Antropologium de Hominis Dignitate, Natura et Proprietatibus', Leipzig, 1501. (Photo by Hulton Archive/Getty Images) Human Lung White Background Anatomy Figura De Situ Viscerum
