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Chronic obstructive pulmonary disease (COPD). Comparison between normal bronchus and alveoli with bronchitis and emphysema. Human respiratory system.
Constipation. Volvulus. Healthcare illustration. Cartoon illustration. Vector illustration.
Close up a boy sleeping with open mouth. Kid snoring breathing through the mouth. Disordered sleep in child concept.
Asthma and chronic obstructive pulmonary disease COPD, Asian young man using metered dose inhaler MDI.
Chronic obstructive pulmonary disease or COPD. Lung have breathing problems and poor airflow. Vector illustration in flat design.

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