Michael notices that every time he gets what he calls an "adrenalin rush," his heart rate and pulse quicken and he feels a surge of energy. He also notices that lately it takes his body longer than normal to return to feeling calm and normal. What might explain Michael's delay in coming down from his "adrenalin rush"?

Micheal parasympathetic nervous system is not activating as quickly as usual

Explanation:

Parasympathetic nervous system: It is the division of the nervous system that modulates the glands. It is the rest of the two antagonistic autonomic nervous systems and the other one parasympathetic nervous system. The parasympathetic nervous system is not crucial as much for the maintaining of life. But even it provides controls to many tissues. The nerve fibers of the parasympathetic nervous system are cranial nerves. When stimulated these nerves increase digestive secretion and reduce the heartbeat. The parasympathetic nervous system is organized as a sympathetic nervous system.

It works with regulating digestion and urination and defection. Regulating sexual arousal Slowing the heart rate and low the bloodstream