Why Oxygen is Important Oxygen plays a vital role in the treatment of patients. Oxygen is the molecule that helps the cells in our body produce ATP through a process known as cellular respiration. Also it is the number one drug of choice for the American heart association. Finally it is a priority according to the universal care protocols in the protocol book given to flight medics in USAAAD at Fort Polk. In short Oxygen is important for the medics to use. To start off with oxygen helps sustain
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Tyrian Reed Chemistry 1st Period The History Of Oxygen Oxygen is a chemical element with symbol O and atomic number 8. One of the first known experiments on the relationship between combustion and air was conducted by the 2nd century BCE Greek writer on mechanics‚ Philo of Byzantium. Many centuries later Leonardo da Vinci built on Philo’s work by observing that a portion of air is consumed during combustion and respiration. In the late 17th century‚ Robert Boyle proved that air is necessary
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| Ibuprofen Ibuprofen is a well-known drug that possesses analgesic (pain-relieving) and antipyretic (fever-reducing) properties. It is particularly known for its use in pain relief from arthritis. Ibuprofen was discovered by Dr. Stewart Adams and his colleagues in the United Kingdom in the 1950s‚ patented in 1961‚ and first made available in 1969. It became available in the United States in 1974. Ibuprofen tablets are sold under the trade names Advil and Motrin. (K. Adrjanowicz) This pharmaceutical
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Oxygen cycle From Wikipedia‚ the free encyclopedia Jump to: navigation‚ search The oxygen cycle. The Oxygen cycle is the biogeochemical cycle that describes the movement of oxygen within its three main reservoirs: the atmosphere (air)‚ the total content of biological matter within the biosphere (the global sum of all ecosystems)‚ and the lithosphere (Earth ’s crust). Failures in the oxygen cycle within the hydrosphere (the combined mass of water found on‚ under‚ and over the surface of a planet)
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medicinal products such as quinine and eucalyptus. In fact‚ most of the medicines that we use ultimately come to us through trees and vegetation. Trees play an important role in purifying the air around us. They breathe in carbon dioxide and breathe out oxygen that sustains our life. Thus they make this world a better place to live in. Trees are also very necessary for having good rainfall. The trees attract rain bearing clouds and prevent soil erosion and conserve the earth. Our Government also realised
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the ground. Leaves absorb carbon dioxide from the air to form carbohydrates that are used in the plant’s structure and function. In this process‚ leaves also absorb other air pollutants—such as ozone‚ carbon monoxide‚ and sulfur dioxide—and give off oxygen. By planting trees and shrubs‚ we return to a more natural‚ less artificial environment. Birds and other wildlife are attracted to the area. The natural cycles of plant growth‚
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Observations: Part I: Reaction between iron and oxygen Appearance of steel wool after 20 minutes From (relatively) shiny metal strips to not-so-shiny strips that are stained with dark‚ reddish-brown stuff. Part II: Decomposition of hydrogen peroxide Appearance of potato and hydrogen peroxide combination: Lots of white‚ foamy bubbles around the potato slices. Day 2 Observations: Part III: Reaction between zinc and acetic acid Appearance of penny in vinegar after
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manufacturing techniques results in highly porous charcoals that have surface areas of 300 - 2‚000 square meters per gram. Charcoals are widely used to adsorb odorous or colored substances from gases or liquids." The problem with charcoals is that its production efficiencies are generally low‚ with as much as 60-80% of energy in the wood lost. Adding to this loss is the poor efficiency of many charcoal stoves‚ some as low as 3%. (http://www.burndesignlab.org/why-stoves/the-problem-of-charcoal/) However
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Analysis: The graph of oxygen uptake vs time taken to run 1.5 miles has a negative linear association. As oxygen uptake increases‚ the time taken to run 1.5 miles decreases. This is can be seen through the gradient which has a value of 0.1705. This means that as the oxygen uptake increases by 1 ml/kg the amount of time taken to run 1.5 miles tends to decrease by approximately 1.7 minutes. The graph has a moderate relationship because the data is scattered in a wide band along the line of best fit
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Jane Doe Bio Lab IT: Morgan Billick September 4th‚ 2010 Ventilation and Oxygen Consumption Results Oxygen Concentration Oxygen concentration in water can be altered by the conditions it is exposed to. For instance cold water has a higher oxygen concentration than warm water. In our experiment we were able to observe the change in oxygen concentration of water at two different temperatures (15C and 25C) with a fish in each environment. Our results proved that the starting oxygen concentration
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