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Alveoli are tiny sacs in the lungs that perform gas exchange. That is the main process of respiration where the body gets rid of carbon dioxide and picks up oxygen which is used in metabolism.
They have supply of oxygenated and de-oxygenated blood surrounding their surface giving them a high blood supply. They also have thin walls and a moist surface. This is all required for them to work correctly. It's my understanding that they are the only part on a human body that I am aware of that does not heal itself... AT ALL, if damaged from say smoking. So while yes your lungs will feel clearer from not smoking... And you might even be able to take deeper, longer breaths. But due to the damage caused to Alveoli from smoking, No matter how much you breath in... Your still only going to absorb the same amount of oxygen into your blood stream. So really the sooner someone quits smoking... The less permanent damage is done. Not to discourage anyone. Because when you stop smoking every other part of your body does heal. Which can even be broken down to someone's immune system from infections or viruses. (Better, cleaner body... better immune system )

June 19, 2012 - 1:31am


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