The purpose of breathing is the exchange of oxygen and carbon dioxide between the air we breathe and the blood vessels in the lungs. The oxygen in the air we breathe is used to release energy to the cells so they can run their daily jobs.  Breathing occurs automatically, however, during physical exercises the rate at which the breathing process takes place must increase to keep pace with the oxygen demand.  Since each and every cell in our body needs a never ending supply of oxygen, it benefits us to make each breath efficient and effective.

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