Answer:
B) the parasympathetic nervous system
Step-by-step explanation:
The parasympathetic nervous system is a division of the autonomic nervous system. Once the stress or emergency conditions are over, the activation of the parasympathetic nervous system calms down the person. This division of the nervous system slows down the responses generated by the sympathetic nervous system during stress conditions. The parasympathetic nervous system activates digestion and absorption of the nutrients, slows down the breathing and heart rate so that the energy level of the body cells is restored. After a football game, the activated parasympathetic nervous system will calm down David.