Oxygen is the main ingredient to sustain life on earth. Isn't it? It is vital for the functioning of a healthy body, as it aids in all chemical processes like metabolism, cellular respiration, and prompting formation of white blood cells. However, do you know the fact, that we inhale only half of the oxygen than we are entitled for? It is not a surprising fact, as we all know how polluted the environment today is! However, man has a solution for every problem.