Ключевые слова: accessory, background, beat, blood, cardio, cardiology, care, clock, color, composition, concept, device, diagnosis, disease, doctor, dumbbells, equipment, examination, exercise, flat, health, heart, heartbeat, illness, items, lay, listening, medical, medicine, medicines, nobody, object, orange, pressure, prevention, pulse, rhythm, service, sickness, sport, stethoscope, time, tool, top, training, treatment, view, workout,