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What is stethoscope ?

Answer»

thoscope is a medical device used for listening the internal sound of ORGANS .★ It is often used to listen heart and lung's sound and even the small intestine's.★ It has a small round disc and TWO earphones.★ It was first used in FRANCE in 1816 by René Laennec.★ It can also be used for measuring bLood pressure in combination with sphygmomanometer.==========================================★ ★



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