Ключевые слова: anatomical, anatomy, biological, biology, body, cavity, colorful, cough, design, drawing, education, educational, facial pain, fever, hand drawn, headache, health, healthy, human, illustration, infection, inflammation, internal, internal organ, isolated, maxillary, medical, medicine, membranes, mucous, nasal mucus, nose, oozing, people, phlegm, plugged nose, poster, rhinosinusitis, schematic, scheme, science, sinuses, sinusitis, sore throat, spine, structure, throat, white, white background,