Ключевые слова: analysis, artery, background, banner, bio, biological, biology, biotechnology, blood, cardiovascular, cells, cholesterol, circulatory, closeup, concept, conceptual, detailed, disease, educational, erythrocytes, genetic, group, health, health care, healthy, hemoglobin, human, infection, macro, medicals, medicine, microbiology, microscope, microscopic, pharmaceutical, plasma, precise, realistic, red, sample, science, scientific, shape, structure, surface, system, thrombosis, vascular, vein, virus,