Respuesta :

Photoplethysmography a simple optical technique used to detect volumetric changes in blood in the peripheral circulation.

What is photoplethysmography?

Photoplethysmography is a technique used in signal analysis and application.

This instrument is a simple optical technique used to detect volumetric changes in blood in the peripheral circulation.

This technique provides valuable information related to our cardiovascular system

learn more on photoplethysmography here; https://brainly.com/question/25770607