Multiple choice

My invention of the stethoscope allows you to hear the heart beating

  1. Rene Laennec

  2. Roger Bacon

  3. Louis Pasteur

  4. John Lister
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A Correct answer
Explanation

René Laennec invented the stethoscope in 1816 to help listen to the internal sounds of the human body, particularly the heart and lungs. Before his invention, doctors had to place their ears directly onto the patient's chest.

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