This short video for KS4 science describes the ways in which asthma can affect the airways and respiration.
Asthma affects the larger areas of the lungs, the trachea and bronchi.
Problems with mucus accumulation and muscle constriction affect the amount of oxygen getting to the alveoli for gas exchange.
Using a dissected lung, the differences between an asthmatic and non-asthmatic lung are pointed out, giving students a more detailed understanding of the condition.
