Answer:
The two main division of autonomic nervous system are sympathetic nervous system and parasympathetic nervous system.
Step-by-step explanation:
Sympathetic nervous system:
The sympathetic nervous system activates at the time of fight and flight response. This system increase heart rate and heart contraction of the body. The sphincter relaxation and urine output increase in this system.
Para sympathetic nervous system:
The para sympathetic nervous system acts during the normal state condition of the body. This system decreases the heart rate and heart contraction of the body. The sphincter relaxation and urine output decrease in this system.