Respiration
- Respiration is an Energy releasing process in which the glucose is oxidized with the help of oxygen and the breakdown of glucose releases the energy. In animals, there are special organs for respiration, in plants gaseous exchange occurs by diffusion method. Link
Combustion
- Combustion is the process of burning something to get energy. During combustion, the heat is supplied on to Sugar the sugar first chars and then gives the flame. The sugar releases energy in the form of heat at a time. From this, we can define combustion as a process of Burning the sugar to get energy. Link
Similarities
- Both respiration and combustion require oxygen and both produce energy. Energy is released in the form of heat in both respiration and combustion. Heat is required for both respiration and combustion to carry on the process. Link
Difference
- Respiration is the process of oxidation of food materials like glucose, Amino acids, fatty acids to water and carbon dioxide. Respiration does not require any external heat to carry on the process. Combustion is only done by applying external heat to the sugar molecule to burn. Link
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