Ключевые слова: 400x, allergy, anatomy, background, blood, cancer, care, cell, cells, detection, diagram, disease, enemy, germs, health, healthcare, human, immune, immunity, infection, inflammation, killer, lymphocyte, magnification, medical, medicine, neutrophil, overview, pathogens, phagocyte, phagocytosis, plasma, red, response, schematic, science, stem, structure, system, virus, white,