What mechanical problem in the lungs is specifically addressed by an expectorant?
Answer
Excessive mucus buildup that requires thinning to clear the airways
Expectorants are specifically formulated to interact with the respiratory system by changing the consistency of secretions. When the airways are obstructed by thick, viscous mucus, the cilia cannot move phlegm efficiently. By thinning this mucus, the expectorant makes it easier for the body to expel, thereby reducing the physical obstruction and strain associated with persistent coughing.

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