Difference between respiration and combustion ?

Asked by  | 15th May, 2009, 08:30: PM

Expert Answer:


The differences between respiration and combustion are :  

1)        Respiration is a slow process.            Combustion is relatively a fast process.

2)        Respiration takes place at the            Combustion takes place at a high ignition temperature.
           body temperature.

3)        Fuel for oxidation reaction is food.       Fuel for oxidation reaction is mainly

4)        The oxidation reaction is always         The oxidation reaction may not be complete and the 
           complete and the reaction products     reaction products may cause pollution due to the 
           are CO2, water and energy.                 presence of unburned carbon particles and CO.

5)       Respiration takes place inside a          Combustion takes place outside a cell. 
          biological cell. 

6)       Respiration takes place at all times     Combustion is not a continuous process.
          when the cell is alive.

Answered by  | 16th May, 2009, 01:54: PM

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