Ключевые слова: air, anatomy, art, asthma, background, biology, black, breath, breathe, bronchi, bronchiole, care, chest, clinic, concept, design, disease, exhale, graphic, health, healthcare, hospital, human, illness, illustration, image, internal, life, lung, medical, medicine, organ, oxygen, people, physical, pneumonia, pulmonary, respiration, respiratory, science, shape, structure, symbol, system, trachea, tree,