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प्रश्न
What is stethoscope? Explain.
उत्तर
The pulse in humans can be measured by using an instrument called stethoscope. It is a device that amplifies the sound of a heartbeat and is used to hear heartbeats in the chest.
It consists of three parts:
- A chest piece, which is sensitive to heartbeats.
- Two earpieces.
- A tube joining the chest piece and the earpieces
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