Question

What is stethoscope? Explain.

Answer 1

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:

1. A chest piece, which is sensitive to heartbeats.
2. Two earpieces.
3. A tube joining the chest piece and the earpieces