Answer: The parasympathetic division of the autonomic nervous system
Explanation:The autonomic nervous system is crucial in maintaining our body process without us being consciously involved in the process . The autonomic system involuntarily regulates our body functions such as heart beat, blood flow ,digestion and breathing.
The parasympathetic part is the one which restore our normal body functions and conserves physical resources. It is also responsible for tasks like slowing down the heart rate
and constricting eye pupils.
Whilst the sympathetic division is part of autonomic nervous system that is responsible for regulating our flight or fight response , which is a response that occurs when we are under frightening or stressful situation.