Ключевые слова: anatomy, artery, basophil, biology, blood, body, cell, circulation, diagram, disease, elements, eosinophil, erythrocytes, granulocyte, health, heart, hemoglobin, human, illustration, immune response, isolated, leukocyte, life, lymphocyte, medical, medicine, microbe, microbiology, microscope, monocyte, neutrophil, organ, overview, platelets, red, science, structure, system, vascular, vein, white,