![]() ![]() Respiratory muscle strength decreases with age and can impair effective cough, which is important for airway clearance. The lung parenchyma loses its supporting structure causing dilation of air spaces: “senile emphysema”. The structural changes include chest wall and thoracic spine deformities which impairs the total respiratory system compliance leading to increase work of breathing. ![]() The respiratory system undergoes various anatomical, physiological and immunological changes with age. With the looming expansion of the elderly population of the US, a thorough understanding of “normal” aging-related changes on the respiratory system is paramount. ![]()
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