Lets see some of the similarities between respiration and combustion here on this page:
Similarities between Respiration and Combustion
1. Both processes involve the oxidation of carbon compounds.
2. Both processes are exothermic.
3. Both Respiration and combustion give out energy.
4. Both require Oxygen and produce carbon dioxide.
5. In both cases glucose is broken down into carbon dioxide and water.
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Similarity between Respiration and Combustion
Similarities between Combustion and Respiration