Would be most interested in the function of the emotion of fear in preparing us to deal with emergency situations.

Amygdala a section of brain.

Explanation:

In the temporal lobe of the brain an almond shape section is present called amygdala. It is responsible for most of the emotions like fear, sadness and anger. It helps in memorizing events and emotions occur at particular situation like a car accident event, whenever you see a fast moving car amygdala process that event and increase the fear and alertness.

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answer; participant observation method;