Ключевые слова: autumn, background, blue, cardiac, cardiology, cold, concept, cure, desk, device, diagnose, diagnostic, disease, doctor, equipment, examination, flu, glass, health, healthcare, healthy, hear, heart, heartbeat, hospital, illness, instrument, listen, measurement, medical, medicine, metal, nurse, phonendoscope, reflection, reflective, rubber, stethoscope, table, test, therapy, tool, treatment, white, work,