Tag Archives: Alveoli

Smoking and emphysema

This animation shows the long term effect of smoking which can lead to emphysema. Repeated irritation by smoke causes inflammation and leaves chemical deposits in the very delicate and vulnerable alveoli. Eventually the thin cell walls in the alveoli are destroyed. This is where oxygen and carbon dioxide are exchanged so breathing becomes much harder. […]


Please note there is no audio for this animation. In emphysema exposure to an irritant over many years causes an inflammation in the lungs which causes the following changes: Loss of elasticity of the lungs. These changes cause the air sacs (alveoli) to close before you have fully exhaled. As a result, air gets trapped […]