When we encounter a stressor, the nervous system accelerates the automatic processes in our body, and after the stressor is over, the nervous system returns us to normal functioning.

sympathetic; parasympathetic

Explanation:

A stressor is any stimulus that causes stress in an organism.

The autonomic nervous system consists of the sympathetic nervous system. It is responsible for regulating the homeostatic mechanisms in the body which are the automatic processes in our body.

The parasympathetic nervous system is also part of the autonomic nervous system. It monitors the internal activities of the organs in the body and is responsible for the unconscious actions of the body.

answer; when one group has an extremely high score at pretest;

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