You couldnt survive without your skin. It has many important functions. The main function of the skin is controlling what enters and leaves the body. It prevents the loss of too much water from the body. It also prevents bacteria and other microorganisms from entering the body. The skin helps maintain a constant body temperature. It keeps the body cool in two ways. Sweat from sweat glands in the skin evaporates to cool the body. Blood vessels in the skin dilate, or widen. This action increases blood flow to the body surface. This allows more heat to reach the surface. The heat is then able to radiate off the body. The opposite happens to retain body heat. Blood vessels in the skin constrict, or narrow. This decreases blood flow to the body surface. This reduces the amount of heat that reaches the surface. When this happens, less heat can be lost to the air.
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QUESTION: In how many ways does the skin help maintain body temperature?

Dr. Benjamin Stone is a hotshot young surgeon who longs to leave the drudgery of a Washington , D.C. emergency room and finally leaps at his chance at more money and less death as a plastic surgeon in Beverly Hills . On his last day , Ben's relationship with his co-workers is presumed to be anything but a warm one . None of his colleagues will join him for a drink and a cake in his honor has an iced portion of the phrase '' Good riddance , asshole '' sliced out . Ben's cross-country drive in a 1956 Porsche 356 Speedster is interrupted when he crashes in the rural hamlet of Grady , South Carolina . The crash damages the fence of local Judge Evans , who sentences him to community service at a nearby hospital . Ben offers to pay for the fence , but the stern judge increases his community service each time he talks back . Defeated , he reports to the hospital , where Nurse Packer humbles him by ordering him to clock in and out , as would a factory worker . Though upset , Ben quickly makes friends with Mayor Nick Nicholson , the town cafe's proprietor/head waitress , and Melvin , the local mechanic tasked with repairing Ben's car . Ben soon finds his clinic work to be much more laid-back than the emergency room . He has simple cases such as spots before the eyes , fishing hook impalings , and even reading mail for a young illiterate couple , whose baby he later delivers . The experience also humbles Ben when he mistreats a case of mitral valve regurgitation leading to late cyanosis in the child .
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QUESTION: Was Dr. Stone as full of self-confidence at the end of the passage as he was at the beginning?

'' The Octopus , '' a masked crime lord , is bent on crippling the nation with a wave of terror . He starts with the transportation system and then moves onto industry . He demands tribute from railroad magnates and other captains of industry . Richard Wentworth , an amateur criminologist who is friendly with the police , is secretly '' The Spider , '' a masked vigilante equally determined to wipe the Octopus and his gang off the face of the earth . Pleasant and smiling in civilian life , Wentworth is often ruthless as the Spider , slinging two guns against the public enemies who attack him . Wentworth also masquerades as affable underworld lowlife Blinky McQuade . Disguised as McQuade , Wentworth can infiltrate gangland at the hired-gun level and keep current on the gang's plans . The only people who know Wentworth's other identities are his assistants Jackson and Ram Singh , his butler Jenkins , and his fianc e Nita . The Octopus was a villain in a single issue pulp believed to have been written by Norvell Page who wrote most of The Spider pulp stories . He is garbed completely in white and is only ever seen sitting in a chair . Unlike the pulps , The Spider is garbed in a lightweight full length costume with web-like markings on it Which resemble Spiderman's costume . The serial follows the standard formula of fights , shoot-outs , Wentworth's friends being kidnapped at various times and having to be rescued . Each chapter ends with The Spider or his friends in deep trouble , often about to be killed , but the effect is spoiled by a trailer for the next episode Which shows them in full health and fighting the villains .
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QUESTION: Who is trying to stop the crippling wave of terror?

An atom is the very smallest particle that still the elements properties. All the atoms of an element are alike. They are also different from the atoms of all other elements. For example, atoms of gold are always the same. It does not matter if they are found in a gold nugget or a gold ring. All gold atoms have the same structure and properties. For example, all gold atoms contain 79 protons. One of golds unique properties is that it is a great conductor of electricity. Gold is a better conductor of electricity than copper. Gold is more rare and expensive than copper. Copper is used in house wiring. Gold is far too expensive.
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QUESTION:
What are the major differences between Gold and Copper?