Adrenaline activates the sympathetic nervous system, stimulates organs, and increases the probability of overall body movement.

“Now, epinephrine has an activating sympathetic nervous system stimulatory effect, right? It tends to make the tissues of the body that are associated with movement, and with so-called fight or flight... Although again, fight or flight is kind of an extreme example, it tends to activate the organs of the body, and make them more likely to be active. It increases the probability that movement will occur, overall body movement.”