strategically answered in the following work. The Respiratory System delivers oxygen to the body and takes the carbon dioxide away. This system is made up of organs that allow you the ability to breath. These organs are the Lungs‚ Trachea‚ Bronchi‚ and the Diaphragm. The lungs are considered the main organ of the system. It takes in the oxygen and releases the carbon dioxide. How this happens is the red blood cells take oxygen to the body and take the carbon dioxide to the lungs‚ and this allows us to
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the flame showed small flash with a pop. Oxygen Step B: Describe the hydrogen peroxide and manganese reaction. As adding hydrogen peroxide to the test tube containing a few pieces of manganese metal‚ gas bubbles rose from the solution slowly at first and vigorously over time. This reaction continued for a long time and solution turned into brown opaque color. Step E: Record your observations with the glowing wooden toothpick and the oxygen-filled pipet. The flame of the glowing wooden
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An investigation to see how much oxygen is given off when different concentrations of catalase are added with hydrogen peroxide. Aim: To see if changing the concentration of catalase (found in celery) with hydrogen peroxide affects the amount of oxygen given of. Background Information: (Hydrogen peroxide - H2O2 1/2O2+H2O) Enzymes: Hundreds of chemical reactions happen simultaneously inside living cells and it’s the job of enzymes to control and regulate the various metabolic
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the water. Another element that the Brook Trout need is oxygen. All trout need 7-10 ppm of oxygen. If oxygen is too low in the water the trout would become slow and would maybe even die. They would be swimming very fast one day‚ then you come in the next day and they look like they had gained 100 years of their lifespan. The material that provides the oxygen to the trout tank is the oxygenator or air pump. It pumps 10 liters of oxygen
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aluminium at the cathode and oxygen at the anode. 4Al3+ + 12e- 4Al (aluminium metal at the (-) cathode) reduction. 6O2- - 12e- 3O2 (oxygen gas at the (+) anode) oxidation. Aluminium is more dense than the alumina/cryolite solution and so it falls to the bottom of the cell where it can be tapped off as pure liquid metal. The overall reaction is aluminium oxide aluminium + oxygen. 2Al2O3(l) 4Al(l) + 3O2(g) Oxygen is given off at the
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dioxide nitrogen; helium oxygen; nitrogen. oxygen; carbon dioxide Correct nitrogen; hydrogen See Section 49.1: What Physical Factors Govern Respiratory Gas Exchange? Score: 1 of 1 2. Which of the following best explains the limiting effects of water in oxygen exchange? Low diffusion rate and high oxygen content at high water temperatures Low diffusion rate and low oxygen content at high water temperatures Correct High diffusion rate and low oxygen content at low water temperatures
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Determining the Empirical Formula of a Compound: Burning Magnesium Lab Purpose: To experimentally determine the percent composition of a reaction product. Directions: Work in teams of three. The directions for this lab are on a separate sheet of paper at your lab bench. Make sure that everyone in your group understands the process and purpose before you get started. Assign tasks. Everyone in the group will be expected to contribute at the same level of participation‚ and for this experiment
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The reactants are oxygen and glucose. I know that oxygen is needed for cellular respiration because of lab 9.1. In that lab‚ we found out that 20ml of oxygen for 100ml of blood was going to the cells from the lungs. We also discovered that of the 100ml of blood‚ 15 was going from the cells to the lungs. This shows us that oxygen is necessary for cellular respiration because as the blood went through the body‚ the oxygen level decreased because it was being used up by
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Effect Of Exercise On The Body Aim The aim of the experiment is to find out the effect exercise has on the body‚ and why these changes take place in the body. Introduction Respiration is the physical process by which living organisms take in oxygen from the surrounding medium and emit carbon dioxide. The term respiration is also used to refer to the liberation of energy‚ within the cell‚ from fuel molecules such as carbohydrates and fats. Carbon dioxide and water are the products of this process
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exercise and the resting rates will be restored soon after exercise has stopped. I believe that the changes are caused by the increased need for oxygen and energy in muscles as they have to contract faster during exercise. When the exercise is finished the heart and ventilation rates will gradually decrease back to the resting rates as the muscles’ need for oxygen and energy will be smaller than during exercise. Experiment: 1. To start with the experiment we measured the persons resting heart rate
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