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Yuri [45]
3 years ago
9

The polygraph measures the changes in ________ that accompany emotion.

Biology
1 answer:
attashe74 [19]3 years ago
6 0
The polygraph measures the changes in heart rate that accompany emotion, but since that is not an option, the correct answer is D. perspiration. Perspiration refers to the process of sweating, and it is quite obvious why the polygraph would measure those changes as well. When you are afraid of being caught doing something bad or lying, you tend to perspire more than usual. 
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