Ключевые слова: anatomy, biochemistry, biology, biomedicine, biotechnology, blood, blood analysis, blood cells, blood flow, bloodstream, cell life, cellular, cellular biology, cellular structure, circulation, closeup, erythrocytes, health, healthcare, hematology, hemoglobin, human anatomy, human body, immunology, internal, life, macro, magnification, magnified, medical, medical research, medicine, microscopic, organic, organism, oxygen transport, pathology, physiology, plasma, red, red blood cells, research, science, vital, wellness,