Ключевые слова: allergic, allergy, anatomical, background, bacterial, body, care, cavities, cavity, cold, congested, dark, diagnosis, disease, education, face, fever, flu, graphic, head, headache, health, healthcare, ill, illness, illustration, infection, inflammation, influenza, male, man, medical, medicine, nasal, nose, organ, otolaryngology, pain, picture, ray, respiratory, rhinitis, sick, sickness, sinus, sinusitis, symptom, treatment, virus, xray,