What does this device do
![What does this device do class=](https://us-static.z-dn.net/files/d09/9d700ee201fb293bcf2ee289701a5ba3.png)
measures a person's blood pressure when the heart contracts and relaxes
hope this helps
The device in the image is called a sphygmomanometer.
A sphygmomanometer is a device that is used to check and measure blood pressure levels.
To learn more about sphygmomanometer, refer to:
https://brainly.com/question/13031651
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