What is stethoscope? What is its use?
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A medical instrument used for listening to the action of someone's heart or breathing, typically having a small disc shaped resonator that is placed against the chest and two tubes connected to earpieces.
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Stethoscope is a medical instrument used by the doctors for listening to the sound produced with the human body. Mainly in the heart and lungs. it works on the principle of multiple reflection.
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