Eva's accelerated heart rate upon encountering the snake while hiking is an example of respondent behavior controlled by the sympathetic nervous system.
Respondent behavior refers to involuntary responses triggered by specific stimuli without conscious control. When Eva's heart rate accelerated upon encountering the snake while hiking, it was an example of respondent behavior as her body reacted automatically to the perceived threat. This reaction is controlled by the sympathetic nervous system, preparing the body for the fight-or-flight response.
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