Ключевые слова: ai generated, biology, blood analysis, blood cells, blood count, blood vessels, bloodstream, cell biology, cell interaction, cellular level, cellular structure, circulatory system, close up, defense, defense mechanism, disease control, disease prevention, health, health science, hematology, human body, human health, immune cells, immune defense, immune function, immune response, immune system, immunity, infection, laboratory, medical, microscopic, microscopic view, photo, research, scientific, study,