wall charts
the respiratory system and asthma anatomical chart
this second edition of the respiratory system and asthma anatomical chart features simplified text and clearer images to facilitate patient comprehension . the chart shows the respiratory system and compares a cross section of a normal bronchiole to an asthmatic bronchiole with labels that point out mucus plug bronchospasm enlarged smooth muscle inflamed surface epithelium enlarged basement membrane and inflamed bronchial tissue . succinct text describes asthma the conducting system and gas exchange . the chart also provides images and text to show how breathing works and visual icons to represent common asthma triggers weather exercise irritants allergens illness and pollution .