Ключевые слова: acoustic, back, body, boy, cardiologist, cardiology, career, checkup, child, clinic, clinician, consultant, consultation, diagnosis, disc, disease, doctor, examination, health, healthcare, heart, heartbeat, hospital, illness, instrument, kid, listening, lungs, medical, medicine, paediatrician, paediatrics, people, profession, schoolboy, sick, sound, specialist, stethoscope, treatment,