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Project title This experiment teaches you how to build your own homemade stethoscope and how to use it to measure a person's heartbeat
Difficulty Level Elementary school
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Description
Over 170 years ago, a man named Laennec invented the first stethoscope. Before your class goes into the Institute's Giant Heart in the BioScience Exhibit stop and see it. It is a wooden tube about 1 inch in diameter and about 10 inches long. This experiment teaches you how to build your own homemade stethoscope and how to use it. 
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