What is a Stethoscope used for ?
The doctor wants to know about the working of lungs and the heart before treating a patient. He or she can do it easily with the help of a simple instrument called the stethoscope. It was invented by Rene Laennec.
The doctor wants to know about the working of lungs and the heart before treating a patient. He or she can do it easily with the help of a simple instrument called the stethoscope. It was invented by Rene Laennec.