The process of biofeedback begins when the subject

a.
reports their inputs with a computer
b.
receives feedback from their inputs
c.
has their biological impulses measured
d.
adjusts their responses according to feedback

The correct answer is C. The process of biofeedback begins when the subject has their biological impulses measured.

Explanation:

Biofeedback is a technique that is used to control the physiological functions of the human organism, through the use of a feedback system that informs the subject of the state of the function that he wants to control voluntarily.

i think its white blood cells

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