Cough Coughing is how you clear your lungs and airway, keeping germs and other toxins out of your respiratory tract. This video explains all that is involved when your body coughs, and why coughing is important. Pulmonary Awareness Series Posted on August 31, 2018 FacebookTwitterLinkedinPin ItWhatsApp You may also like 1:50 What to Expect at Your Pulmonary Visit Posted on August 31, 2018 Pulmonary Awareness Series 2:46 Assisted Cough Posted on August 31, 2018 Pulmonary Awareness Series 2:56 Nighttime Breathing Posted on August 31, 2018 Pulmonary Awareness Series 3:00 C-PAP/BIPAP Posted on August 31, 2018 Pulmonary Awareness Series