Ключевые слова: addiction, air, asthma, background, beige, breathing, bronchi, bronchitis, cancer, care, cigarettes, clean, color, composition, cough, creative, dangerous, diagnose, disease, flat, green, habit, harmful, health, healthy, human, lay, leaves, lungs, medicine, nicotine, object, oncology, organ, paper, pulmonary, respiratory, risk, shape, sickness, smoke, smoking, tobacco, top, treatment, unhealthy, view, white, yellow,