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No. The sympathetic nervous system is excitatory. It works via epinephrine and norepinephrine to put the body on a state of alert, vigilance, and action. The parasympathetic nervous system (controlled mainly by acetylcholine) is relaxing and calming.
Sympathetic nervous system
sympathetic
The autonomic nervous system is responsible for the control of the functions of the internal organs and it has two divisions. These are the sympathetic nervous system and the parasympathetic nervous system.
A division of our autonomic nervous system is the parasympathetic nervous system which is nicknamed the "rest and digest" nervous system.
The division of autonomic nervous system responsible for pupillary light reflex is the parasympathetic system. This is what causes the pupils to close down or open up in response to lighting conditions.
No I don't. I have a very calming demeanor.
Sympathetic division or fight-or-flight system
The division of the autonomic nervous system that arises from spinal nerves T1 to L3 is the sympathetic division. This division is responsible for controlling involuntary body functions.
the central nervous system and the peripheral
The division of the autonomic nervous system responsible for each of the reflexes is the ciliospinal reflex. Ciliospinal reflex responds mainly by the 2nd and 3rd order nerves to the muscle of the iris.
relaxing under a tree