During a fight or flight response, your body provides you with the energy, reflexes, and strength you may need to respond to the stressor. An example of this is would be if you were in the path of a fast moving vehicle and you suddenly feel a burst of energy that allows you to get out of the way of the car.
Hope this helps :)
Fingers, because people are usually messing with electricity and their fingers are by it.
C. Being polite in your emails and discussions.
