12. Respiration

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• muscle contraction protein synthesis cell division active transport growth the passage of nerve impulses and the maintenance of a constant body temperature (MRS GREN)

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• The chemical reactions in cells that use oxygen to break down nutrient molecules to release energy

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• glucose + oxygen --> carbon dioxide + water the balanced chemical equation as C6H12O6 + 6O2 --> 6CO2 + 6H2O (some of these numbers should be subscript!!) 

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• on the rate of respiration of germinating seeds

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• such as arthropods and germinating seeds

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• as the chemical reactions in cells that break down nutrient molecules to release energy without using oxygen

1. in muscles during vigorous exercise

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   • word equation: glucose --> lactic acid
2. in the microorganism yeast

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   • word equation: glucose --> alcohol + carbon dioxide balanced chemical equation:  C6H12O6 --> 2C2H5OH + 2CO2 (some of these numbers should be subscript)

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• per glucose molecule than aerobic respiration

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• in muscles and blood during vigorous exercise causing an oxygen debt

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• limited to: - aerobic respiration of lactic acid in the liver - continuation, after exercise, of fast heart rate to transport lactic acid in blood from muscles to the liver - continuation, after exercise, of deeper breathing supplying oxygen for aerobic respiration of lactic acid