woman hold respiratory system anatomy for diseases. lung cancer, asthma, chronic obstructive pulmonary or copd, bronchitis,

ache air analysis anatomy aorta asthma awareness bronchiectasis bronchitis cancer cardiology cardiovascular chest chronic copd cover cricoid cystic day disease doctor education effusion emphysema esophagus fibrosis hand health heart hospital illnesses insurance lung march may month november obstructive pain pleural pneumonia pollution pulmonary respiratory smoker symptoms system thyroid tobacco trachea tuberculosis world