Ключевые слова: air, anatomical, anatomy, biology, body, bronchial, cancer, carbon, care, cartoon, contour, design, disease, doctor, donor, element, emblem, graphic, hand draw, health, health care, healthy, hospital, human, icon, illness, illustration, image, internal, isolated, line, linear, lung, lungs, medical, medicine, organ, outline, people, pictogram, pulmonary, respiration, respiratory, science, shape, silhouette, smoking, symbol, system,