Lie Detector

Today many models have been invented and is widely used in crime detection. Some of them are figured here as:
Concept use to detect lies in lie detector: When someone tells a lie, there occur certain physiocological changes in the body. The victims heart beat increases leading to rapid respiration. His blood pressure increases and breathing pattern changes. Various parts of the machine are attached to human body and the report is produced. It is assumed to be 80% accurate
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