Tag Archives: Lungs

Normal lung defences/spit clearance

Please note there is no audio for this animation. ‘Cilia’ line your airways. These are tiny hairs forming brush-like structures. There are mucous producing cells in the larger airways known as goblet cells. This mucous may also be referred to as spit, phlegm or sputum. This mucous forms a moist layer on top of the […]

How the lungs work?

Breathing (inhaling and exhaling) involves the breathing muscles, breathing tubes (airways) and air sacs (alveoli). To see how COPD affects the lungs we need to know how the lungs work normally. Please note there is no audio for this animation. You have two lungs which sit in your chest. The delicate lungs are surrounded and […]