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Answer:

you get oxygen your cells need from the air you breathe which makes your body cells use the oxygen you breathe to get energy from the food you eat. the cll uses oxygen to be able to break down sugar

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Glucose a 6 carbon molecule is converted into Peru ate a 3 carbon molecule in the cytoplasm during respiration. In the absence of oxygen like in yeast : ethanol+ carbon dioxide+ energy is produced. In lack of oxygen: lactic acid+ energy. In presence of oxygen in the mitochondria: carbon dioxide + water + energy .
The energy released during cellular respiration is immediately used to synthesize a molecule called ATP to fuel activities in the cell. #answerwithquality #BAL

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