One of the body's first lines of defence against airborne pathogens is known as the " mucociliary clearance mechanism" .
人体抵抗空气传播病原体的第一道防线被称为“黏液纤毛清除机制”。
英语百科
Mucociliary clearance
Mucociliary clearance, also referred to as mucociliary apparatus or mucociliar clearance (MCC), derived from mucus, cilia (cilia of the tracheal surface epithelium in the respiratory tract) and clearance describes the self-clearing mechanism of the bronchi.