complete right bundle-branch block
51sensory reception, human — Introduction means by which humans react to changes in external and internal environments. Ancient philosophers called the human senses “the windows of the soul,” and Aristotle described at least five senses sight, hearing, smell, taste, and… …
52hand tool — any tool or implement designed for manual operation. * * * Introduction any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… …
53pre-Columbian civilizations — Introduction the aboriginal American Indian (Mesoamerican Indian) cultures that evolved in Meso America (part of Mexico and Central America) and the Andean region (western South America) prior to Spanish exploration and conquest in the 16th …
54List of problems solved by MacGyver — This is a list of problems that have been solved by the fictional character MacGyver from the television series of the same name. (This list is not yet comprehensive.) MacGyver employs his resourcefulness and his knowledge of chemistry,… …
55Iran, ancient — Introduction also known as Persia historic region of southwestern Asia that is only roughly coterminous with modern Iran. The term Persia was used for centuries, chiefly in the West, to designate those regions where Persian language and… …
56Doktor Faust — Operas by Ferruccio Busoni Die Brautwahl (1912) Turandot (1917) Arlecchino (1917) Doktor Faust (1925) …
57Metro Atlanta — Infobox Metropolitan Area MSA name = nowrap|Metro Atlanta name = Metro Atlanta largest city = Atlanta other cities = Sandy Springs Roswell Marietta rank us = 9th population = 5,278,904 (2007 est.) density mi2 = 630 density km2 = 243 area mi2 =… …
