Ключевые слова: abstract, air, anatomy, biology, black, blockage, body, breathing, bronchi, bronchitis, cigarettes, contour, day tobacco free, design, destruction, dirty, element, emblem, grow, health, healthcare, human, icon, illness, illustration, inflammation, inside, internal, leaf, lungs, medical, medicine, organ, prophylaxis, pulmonary, respiratory tract, science, sick, sign, signal, silhouette, simplicity, smoke, smoking, symbol, tobacco, white, worldwide,