What are the various constituents of air ?write there uses.

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Please find below the solution to the asked query       
          
Various constituents of air are as follows:

Uses of oxygen and nitrogen:

• Main function of oxygen for our human body is generation of energy for different types of work that we do. This is achieved by oxidation (burning) of food material that we eat in the presence of oxygen. If oxygen is not present in different parts of our body we will not get enough amount of energy for various types of processes required for maintaining a normal healthy life.  
• Nitrogen is an important component of proteins which make major portion of or body.

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