Question

when a stressor activates the division of our autonomic nervous system, we experience increased heart rate, respiration, perspiration and a slowing of digestion.

Explanation:

The autonomic nervous system has two main divisions. The sympathetic division triggers the "fight-or-flight" response, which includes physiological changes like increased heart rate, respiration, perspiration, and reduced digestion when a stressor is present.

Answer:

sympathetic