Background concept wordcloud illustration of asthma glowing light 太小 Concepts & Topics 呼吸道 Asthma background concept glowing
Shown is bronchial airway obstruction and narrowing due to viscid mucus. Excessive mucus in bronchial airways can cause significant obstruction and and interferes with pulmonary function. This is particularly problematic for those with asthma and chronic bronchitis. 哮喘 人类肺癌 呼吸道 Lungs - Bronchial Mucus Causing Airway Obstruction & Narrowi