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A member asked:
How are the lungs protected from bacterial infection?
4 doctors weighed in across 2 answers
Nose: The cilia in the nasal passages are the first line of defense. The lung itself has macrophages that also destroy invasive bacteria.
Answered 5/1/2020
6.1k views
Various: You are protected from pulmonary infection by your cough reflex, the mucociliary function of your airways that help clear your lungs, your immune system with function of immune cells in your lungs and your antibody producing cells.
Answered 3/24/2020
5.5k views
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