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    Muscle Fatigue

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    muscles contract and relax. Muscles normally work in pairs first one contracts (become shorter and wider) and the other relaxes (becomes longer and thinner) this is how they work when moving bones. (1) Formula for aerobic respiration Glucose + oxygen Carbon Dioxide + water (+ energy) Muscle fatigue and what causes it Muscle Fatigue is when a muscle gets tired and does not have the ability to generate a force. It can occur because of too much vigorous exercise (aerobic respiration)

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    Algae Lab

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    The experiment we conducted in lab used three different species of algae‚ Macrocystis (brown)‚ Plocamium (red) and Ulva (green). Before we conducted anything‚ we first measured the initial oxygen concentration in the water that was used to house each alga. This was done because in the water that we used there happened to be phytoplankton which can respire and photosynthesize. If we didn’t take them into consideration our results would end up skewed. Once that was known we took a piece of each algae

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    and several raw materials such as carbon dioxide and water to produce sugars and release oxygen into the atmosphere. It does not only supplies oxygen which required for human life but it is also the primary source of food energy for all forms of life‚ directly or indirectly. Cellular respiration is the process of converting food molecules such as glucose into energy in the form of ATP. In this process‚ oxygen is utilized and carbon dioxide is produced. Carbon dioxide‚ required for photosynthesis by

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    Biology

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    the survival of an organism. The purpose of this process is to obtain oxygen from the environment (which is necessary for cellular respiration‚ and to dispose of CO2‚ a bi product of respiration. An efficient gas exchange system has 3 requirements. It must have a large surface area over which the gases can diffuse. A large surface area maximises the amount of area available for the gases to exchange. It must also be moist. Oxygen must first dissolve into a fluid before it can diffuse into a cell. Having

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    Gas Exchange

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    respiratory system role with oxygen and carbon dioxide. The respiratory system is responsible for the movement of gases involved in cellular metabolism. b. Why is oxygen needed? Oxygen is needed because it is used up during the aerobic breakdown of glucose. c. What generates CO2? Carbon dioxide arises from the aerobic metabolism of glucose . 2. Define the three important continuous physiological processes that are responsible for the movement of oxygen and carbon dioxide. Ventilation

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    Science respiration

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    SMART STUDY - GOOD LUCK Teacher zaidi@maher2010 Chapter 1: Respiration Respiration Human Breathing Mechanism Transport of oxygen Importance of a healthy respiratory system Respiratory system Diffusion of oxygen by blood Harmful substances lungs Transport of oxygen by blood Effects of pollutants inhalation Diffusion of oxygen into cell Respiratory diseases. Good habit to improve air quality. exhalation Human Respiratory system PMR 03‚ 08

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    Module Chemistry

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    Another friend of Libra Dexter Patrick S. Baltazar Pre-test: Chemical balancing Instruction: Balance each chemical equation by adding a correct coefficient to it. Question 1 __ SnO2 + __ H2 → __ Sn + __ H2O Question 2 __ KOH + __ H3PO4 → __ K3PO4 + __ H2O Question 3 __ KNO3 + __ H2CO3 → __ K2CO3 + __ HNO3 Question 4 __ Na3PO4 + __ HCl → __ NaCl + __ H3PO4 Question 5 __ TiCl4 + __ H2O → __ TiO2 + __ HCl Question 6 __ C2H6O + __ O2 → __ CO2 + __ H2O Question 7 __ Fe + __ HC2H3O2 → __ Fe(C2H3O2)3 +

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    Zoo Respiration

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    with cellular respiration‚ although purpose is to provide oxygen and eliminate carbon dioxide Single-celled organisms achieve this by simple diffusion Larger organisms need specialized breathing organs Getting the air into the body is one challenge Circulatory system needed to distribute oxygen to the tissues Specialized blood cells can transport oxygen (solubility in plasma is very low) The process of breathing Air has much more oxygen than water (20% vs 0.9%) Gas diffuses more rapidly in air;

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    Haemoglobin

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    important biological processes in plants and animals. • The following are such processes: • 1. Transport and storage of oxygen • 2. Electron transfer • 3. Catalysis • 4. Photosynthesis TRANSPORT AND STORAGE OF OXYGEN HAEMOGLOBIN  Haemoglobin‚ the red pigment in red blood cells carries oxygen from the lungs to the tissues. It is called the respiratory pigment.  It delivers the oxygen molecule to the myoglobin in the tissues.  Haemoglobin‚ a protein is an iron-porphyrin complex.  Its two H+

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    Water Polution

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    secondary MCL MCL=Maximum Contaminant Level The highest concentration of a pollutant allowed in drinking water by law Concentration above which adverse health affects are believed to occur Water pollution contaminant types Infectious agents Oxygen-demanding Wastes Plant nutrients and eutrophication Toxic tides Inorganic Pollutants Metals‚ nonmetallic salts‚ acids and bases Organic Chemicals Sediment Thermal Pollution and thermal shocks Contamination of Iowa’s Water Fertilizer

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