A stethoscope is a medical instrument used to listen to internal sounds of a body, typically the heart and lungs. Medical professionals, such as doctors and nurses, utilize stethoscopes to diagnose various health conditions by auscultation, which involves listening to sounds produced by the body. The device consists of a long flexible tube connected to one or two microphones or diaphragms that amplify sounds. By examining the sounds of the heartbeat, breath, and other bodily noises, healthcare providers can assess a patient's overall health and make informed decisions regarding treatment or further examinations.