Amedical equipment company is thinking of expanding by developing a higher tech version of the presently used lie-detection machines that measure perspiration, cardiovascular, and respiration changes. on which of the following biological systems should their research focus? - the adrenal system- the sympathetic nervous system- the somatic nervous system- the central nervous system

The sympathetic nervous system.

Explanation:

The sympathetic nervous system control the heart rate, blood pressure, and perspiration. It is active ll the time though it varies with the environmental changes.

It is especially prepares the body for the flight and fight phenomenon.The graph measure the activity of the sympathetic branch which is then used to identify whether the person is lying or not.

so, the person must work more towards the sympathetic nervous system.

i believe it is true.        

the right answer is: time