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BIOLOGY SAC: PRACTICAL REPORT THE RESPIRATORY SYSTEM OF A FISH PREPARED BY SARANG PALERI INTRODUCTION: The respiratory system is an intricate structure existing in most forms of life, which allows for these organisms to take air into their bodies for cellular respiration to take place inside cells, as the name suggests. Cellular respiration is the oxidation of organic compounds that occurs within cells, producing energy for cellular processes. In humans, glucose is the 'fuel' molecule, which is oxidised by oxygen, producing carbon dioxide, water and energy. The formula is this: C6H12O6 (aq) + 6O2 (g) › 6CO2 (g) + 6H2O (l) + 36ATP ATP is utilisable energy in the form of a molecule. It is very vital to the human body, as it provides energy to the many functions that our bodies perform in a day. ATP provides energy for muscle contraction on skeletal and heart muscle, and the diaphragm and...

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