Ключевые слова: 3d, air, alveoli, alveolus, anatomical, anatomy, bacteria, biology, body, breathing, catarrhalis, coccus, concept, conceptual, diplococci, gram negative, health, human, illustration, infection, internal, lungs, medical, medicine, microbe, microorganism, moraxella, pathogen, pathology, physiology, pneumonia, realistic, respiration, respiratory, science, spherical, system,