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Alberto Santos-Dumont, self-stylised as Alberto Santos=Dumont, [1] (20 July 1873 – 23 July 1932) was a Brazilian aeronaut, sportsman, inventor, [2][3] and one of the few people to have contributed significantly to the early development of both lighter-than-air and heavier-than-air aircraft. The heir of a wealthy family of coffee producers, he ...
The heart is a muscular organ situated in the mediastinum.It consists of four chambers, four valves, two main arteries (the coronary arteries), and the conduction system. The left and right sides of the heart have different functions: the right side receives de-oxygenated blood through the superior and inferior venae cavae and pumps blood to the lungs through the pulmonary artery, and the left ...
The Wright brothers, Orville Wright (August 19, 1871 – January 30, 1948) and Wilbur Wright (April 16, 1867 – May 30, 1912), were American aviation pioneers generally credited with inventing, building, and flying the world's first successful airplane. [3][4][5] They made the first controlled, sustained flight of an engine-powered, heavier ...
27 October 1985. (1985-10-27) (aged 46) near Forsyth, Georgia, U.S. Known for. first developed successful balloon angioplasty. Andreas Roland Grüntzig (25 June 1939 – 27 October 1985) was a German radiologist and cardiologist, with foundational interest, training and research in epidemiology and angiology. [1]
File:Diagram of the human heart (cropped) ja.svg. Size of this PNG preview of this SVG file: 598 × 600 pixels. Other resolutions: 239 × 240 pixels | 479 × 480 pixels | 766 × 768 pixels | 1,021 × 1,024 pixels | 2,042 × 2,048 pixels | 654 × 656 pixels. This is a file from the Wikimedia Commons. Information from its description page there ...
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The Wright Flyer (also known as the Kitty Hawk, [ 3 ][ 4 ]Flyer I or the 1903 Flyer) made the first sustained flight by a manned heavier-than-air powered and controlled aircraft—an airplane —on December 17, 1903. [ 1 ] Invented and flown by brothers Orville and Wilbur Wright, it marked the beginning of the pioneer era of aviation.
File. : Heart diagram-en.svg. Size of this PNG preview of this SVG file: 762 × 600 pixels. Other resolutions: 305 × 240 pixels | 610 × 480 pixels | 976 × 768 pixels | 1,280 × 1,008 pixels | 2,560 × 2,015 pixels | 893 × 703 pixels. Original file (SVG file, nominally 893 × 703 pixels, file size: 342 KB) This is a file from the ...