VAUGHAN FLEMING / SCIENCE PHOTO LIBRARY VAUGHAN FLEMING / SCIENCE PHOTO LIBRARY
Stethoscope an instrument used to listen to sounds in the body such as the heart and lungs. The instrument consists of a diaphragm or an open bell-shaped end which is placed against the patient's body. At the other end, connected by rubber or plastic tubes, is a set of earpieces, which fit into the examiners ears.
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