Expectoration is the process of coughing or spitting material out of the lungs, aiding in clearing mucus and debris from the respiratory system.
Expectoration is the process of coughing or spitting material out of the lungs. It is an important mechanism of the respiratory system that helps expel mucus and debris from the airways. When material moves up the mucociliary escalator to the throat, it is typically removed by expectoration through coughing.
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