Immune systems and immune response are main factors that are considered in developing in asthma. Asthma development is more common and fast if the immune system response is slow, so the speed of prone to asthma is more. These immune factors does the effect in asthma lungs, where the muscles lining the airways is very sensitive and it over react to the events which is known as triggers. The asthma lungs symptoms are caused by three main physiological processes, first one is bronchospasm which is caused by the contraction or tightening of the bronchial smooth muscles, when these muscles tighten around the outside of the bronchial tubes, that causes narrowing and makes difficult for air to move through the asthma lungs. Second symptom of asthma lungs is a mucus production, airways of the lungs produce a increased amount of mucus which causes mucus plugging and further narrowing of airways causes symptom more severe. Third one is the inflammation, which makes airway path to be swollen and inflamed. Hence decreasing airflow and breathing becomes critical and tough. These are the one of asthma attack severe symptom, which affects lung. Asthma testing does to create a remedy for these defects and disease, especially for the lungs which is quite important.

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