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At birth, about 95% of future alveoli still have yet to develop. Aeration of lungs occur, removing fluid which had filled half of the lungs
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About 300 million alveoli are present in lungs
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Female lungs are fully developed and at peak functioning abilities
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By 25, the male lungs are fully matured and at their peak functioning capabilities
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Lung function begins to slowly decline. Maximum oxygen capacity decreases by about 1% per year
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elastic fibers around alveolar duct begin to degenerate, enlargening the airspaces. Can lead to air trapping and hyperinflation
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Lung capacity has decreased by nearly 30%, decline in lung function increases risk of pneumonia, bronchitis, and other pulmonary disorders
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