Oxygen Essays

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    in a land far-far away there lived an element named oxygen. He has an interesting name which comes from the greek words oxy and genes, which means acid former. Two other men discovered oxygen before Joseph Priestly. One man was named Cornelius Drebbel. He was the first to discover it in 1608 but failed to recognize the gas as oxygen. Two years before Priestly published oxygen Carl Scheele discovered it but also failed to publish oxygen. Oxygen was published in 1774 by a man named Joseph Priestly

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    1- Why does the body require continual intake oxygen? How does the body use oxygen? The body needs oxygen because without it, cells cannot function. The respiratory system brings in oxygen to the body, and it is circulated throughout the body via the blood in the circulatory system. The oxygen is a key ingredient in many cell processes, and without it, the body would fail. Oxygen is required for many processes in the body including making energy. 2- Why did land creatures have to develop a respiratory

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    The hypothesis proposed that if the leaf disks were put in solutions that are at different temperatures, then the leaf disks in the warmest solution would produce oxygen the fastest. The data revealed that there is great support for this hypothesis. The data showed that the solution with all ten of the leaf disks floating in the least amount of time was the 38°C solution which was the warmest. In contrast the solution that had the least amount of leaf disks, about seven and a half leaf disks, was

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    's physiological capacities decrease (Gabbett et al 2008).  High aerobic and anaerobic capacity are two factors in which are displayed highly throughout the duration of football matches due to the high intensity actions performed (Shalfawi and Tjelta, 2016). Oxygen capacity is an important physiological factor for a footballer as on average they will cover at least 10km - 12km of ground per game (Ekblom 2012). The extend of the distance covered then suggests they will be close

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    chosen the poem titled Oxygen by Mary Oliver, found on page 373 in the Meyer text for first analysis. This poem is essential about someone who is seriously ill, however, the tone is rather appreciative and hopeful. In line 5-6, the individual–might be the author herself– kneels by the fire, and this may connect to the fuel that is keeping her partner alive. The burning logs correlates to the life within her partner, that as long as they burn, he will be kept alive. The oxygen fuels the fire burning

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    the diminished shape and not appended to oxygen, the hemoglobin is called deoxyhemoglobin, or decreased hemoglobin; when it is connected to oxygen, it is called oxyhemoglobin. Deoxyhemoglobin joins with oxygen in the lungs (the stacking response) and breaks its bonds with oxygen in the tissue capillaries. A. Very still, the distinction in the middle of blood vessel and venous oxyhemoglobin immersions shows that around 22% of the oxyhemoglobin dumps its oxygen to the tissues. Amid exercise, the venous

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    fraction of oxygen, 21%, and other gases in the atmosphere remain constant on increasing altitude the barometric pressure decreases exponentially as we ascend above sea level. At sea level the atmospheric pressure is 760mmHg resulting in an oxygen partial pressure(pO2) of 150mmHg (taking water vapour into consideration.) On ascent to an altitude of 4000m the atmospheric pressure is reduced to 475mmHg resulting in a pO2 of 103mmHg. Because of the fall in pO2 the driving of force of oxygen into the blood

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    Warm Water Peas

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    An experiment was conducted in order to determine the oxygen consumption in dry and soaked peas within two different temperatures of water. Cellular respiration is the release of energy by metabolic chemical oxidation in the mitochondria, (DeStefano 2016). The hypothesis was the germinating warm water peas would have the highest rate of oxygen consumption. Within this experiment, a twenty-one degree celsius bath and a six degree celsius bath were set up. Then, a one hundred mL graduated cylinder

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    The reaction chamber was attached to an Oxygen collection tube. Water is filled at least three-quarters the way up in the bucket. Various percentages of substrate concentration (5%, 15%, and 25%) was added to the reaction chamber and the Oxygen tube is filled with water and contained a water bubble at the top. The initial height of the water in the Oxygen tube was recorded. After 30 seconds, the total change was determined and recorded. A bar graph

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    droplets. We breathe in oxygen and some nitrogen which is essential for life. We exhale carbon dioxide that can be tested for limewater because carbon dioxide dissolves in water to form carbonic acid (H2 C03). Glucose is a reactant of respiration. The glucose in your blood comes from carbohydrates in your food. Carbohydrates include sugar and starchy foods like: bread, pasta and rice. Keywords: Carbon dioxide, Glucose, Water, Oxygen and energy. Word and Symbol equations: Glucose + oxygen = Carbon dioxide

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    Cray Fish Lab Report

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    features creatures which live in the lake and wetland freshwater habitat have. 2. The adaptive features of animals: i. Adaptation to live in the habitat lack of oxygen A. Crayfish: Crayfish lives in fresh water stream, which is an aquatic environment. The oxygen level in fresh water upper stream is higher than the lower stream, but the oxygen concentration is still low. The gills of crayfish are much bigger than the size at first glance. They occupied under the cephalothorax carapace in branched-shape

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    Acid Rain Lab Report

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    Our class went to the Conodoguinet creek and we tested the creek for signs of acid rain pollution, phosphates and nitrates, and dissolved oxygen levels. My hypothesis is that the creek would end up being polluted. But after the testing we did our results showed that the creek was not polluted. some of the tests we completed were water alkalinity tests, critter count tests and rocks that neutralized the acidity of acid rain. We also calculated the velocity of the water. By calculating the velocity

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    plant to photosynthesize, it needs carbon dioxide and water and sunlight, a factor of photosynthesis. In order for us to measure the rate of photosynthesis, we needed to measure the products that were made, glucose and oxygen. As oxygen was a visible product, we counted the oxygen bubbles made when we moved the source of light. Hypothesis: Plants need light to photosynthesize. In this experiment, the light intensity is changed by changing the distance of the source of light closer or further away

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    Aim To observe the effect of light intensity on the rate of photosynthesis. Hypothesis Light intensity is directly proportional to the rate of photosynthesis. When the light isn’t intense, not many oxygen bubbles will be produced and thus observed. This indicates that the plant will not have enough derived energy from the sun to activate photosynthesis. Whereas, when the light intensity is great, the rate of photosynthesis will be high. Introduction Photosynthesis is the process of converting

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    What You Should Know About Having Healthy Blood Vessels A complex group of blood vessels, arteries in particular, that supplies the brain with important nutrients and oxygen are known as vertebrobasilar arteries. They are responsible for providing blood, which carries oxygen to the brain structures—occipital lobs, brain stem, and cerebellum. The basic functions of these structures include coordination, consciousness, and vision. So basically, each part is important to achieve and maintain good

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    Ethyne Lab Conclusion

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    the result of lighting the gases was a mixture of incomplete and complete combustion for all four tests. Due to the fact that the ethyne gas was placed in an enclosed space, which is the test tube, it does not have as readily of an access to the oxygen present in the room than an open flame. The result was incomplete

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    The Effect of Temperature on the Amount of Oxygen Consumed During Cellular Respiration of Saccharomyces Cerevisiae Purpose: To determine the temperature at which baker’s yeast (Saccharomyces cerevisiae) respires most efficiently in order to produce the best baked goods as possible when utilizing yeast. Research Question: How does temperature affect amount of oxygen used during cellular respiration of yeasts? Introduction: Respiration is process of releasing energy from organic compounds in order

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    Additional silica flux is added and oxygen is blown through the molten material. The silica flux reacts with the remaining iron to form a slag, and the oxygen reacts with the remaining sulfur to form sulfur dioxide. and the sulfur dioxide is processed through the acid plant. After the slag is removed, a final injection of oxygen removes all but a trace of sulfur. The resulting molten material is called the blister and contains about

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    Introduction Metabolism is the sum of all anabolic and catabolic reactions within a living organism to sustain life. The energy required to perform these reactions is provided by oxygen in the form of ATP, therefore the oxygen consumption rate can be measured to determine the metabolic rate. Since oxygen is obtained through respiration, the efficiency of an organism’s respiratory system affects its metabolism. Previous studies have shown that caffeine affects the human respiratory center and occasionally

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    Oxide - Lab Report Background Information/Introduction: The aim of this lab is to determine the empirical formula of magnesium oxide by converting magnesium to magnesium oxide. As an alkali earth metal, magnesium reacts violently when heated with oxygen to produce magnesium oxide and magnesium nitride as a byproduct. In order to obtain only magnesium oxide, distilled water was added so that magnesium nitride will react and convert to magnesium hydroxide. Further heating then oxidizes all of the magnesium

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