Ключевые слова: anatomy, biconcave, biology, bloodstream, body, cardiology, cardiovascular, cardiovascular system, care, cells, cellular, checkup, circulatory system, clinic, closeup, doctor, erythrocytes, essential, floating, flow of life, fluid, health, healthcare, healthy lifestyle, heart, heart health, hematology, human body, life, love, medical, medical equipment, medical imagery, medical profession, microscopic, organic, oxygen transport, physiology, red blood cells, red heart, scientific, stethoscope, suspended, symbol, symbol of health, vital, vital functions, vitality, wellness,