Ключевые слова: air, anatomy, asthma, background, biology, branches, breath, bronchi, care, clean, climate, color, concept, cough, creative, cure, design, earth, eco, ecology, environment, eucalyptus, extract, flu, forest, fresh, health, human, idea, infection, inhalation, leaf, lungs, medic, medical, medicine, natural, nature, object, organ, oxygen, paper, plant, pneumonia, pulmonary, remedy, respiratory, top, treatment, view,