The lungs are one of the most interesting organs in the body, and their job is one of the most vital to our survival. As the only internal organ that comes in direct contact with external elements, the lungs have the job of extracting oxygen for circulation in the bloodstream, plus filtering and protecting the body from many types of pollutants in the air. They accomplish this through an extraordinary structure.

Like any other organ, the lungs have to be used or they become less effective. Regular exercise is vital for maintaining good lung capacity, since deep respiration can allow air into all lung parts. Without regular exercise, the lungs can become less effective and daily tasks can become harder without the ability to draw breath fully. In addition, avoiding irritants to the lungs can keep them healthy, since they will have less to clog and disrupt their function.

Smoke, both direct and secondhand, can have extremely detrimental effects on the lungs. Smoking introduces tar into the lungs, and that tar can encourage uncontrollable cell growth and thus help develop cancer. If cancer doesn’t develop first then there are other diseases, such as emphysema and bronchitis, that are sure bets. Secondhand smoke is just as harmful, since that smoke hasn’t even gone through the filter on cigarettes that the smoke from cigarettes initially goes through. In addition, smoking releases other pollutants that disrupt general body health and good circulation, both conditions that affect lungs.

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