View those two educational videos on asthma and COPD (KOLS/KOL).
Inside the body:
This video shows a very sever asthma attack. There are many degrees on an asthma attack, not all asthma attacks are like this. This video shows the worst outcome. Un untreated sever asthma attack may cause the end of the asthmatic person. To avoid sever asthma attacks one must avoid what make the asthmatic person ill.