Health Fitness Other how to get rid of a cough normalbreathing9 posted on 3 years ago — updated on 1 second ago 958 views When you cough, you irritate your airways, destroy alveoli of the lungs, reduce CO2 and NO (nitric oxide) content in your lungs, reduce the CO2 level in all body cells, reduce the oxygen content « Previous how to get rid of a cough