Ключевые слова: air, asthma, awareness, background, blue, breathe, cancer, care, charity, chest, concept, cure, day, diagnosis, disease, donation, donor, health, healthy, human, illness, immune, infection, lungs, medical, medicine, model, oncology, organ, pneumonia, pollution, pulmonary, respiration, respiratory, shape, smoking, stethoscope, therapy, transplant, treatment, tuberculosis, virus, world,