Ключевые слова: abstract, air, art, background, breathe, breathing, cancer, chest, chest cell, clean, concept, conceptual, corvid 19, covid19, danger, disease, eco, ecology, environment, epidemic, epidemics, flower, health, healthy, lung, medical, medicine, minimal, natural, nature, organ, oxygen, patient, person, plant, pneumonia, pollution, protection, quarantine, radiology, respiratory, risk, scan, symbol, tuberculosis, virus,