write functions of sympathetic nervous system
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Functions of Sympathetic Nervous System :
- It dilates the pupil.
- Increases the heart rate, respiratory rate.
- Induces sweating.
- Raises the arrector pilli (goose bumps)
- Decreases salivation, gastric juice secretion, bile production, release of sucus antricus, pancreatic juice releasation.
- Constriction of peripheral blood vessels but Dialation of blood vessels of internal organs.
- Releases urinary bladder.
- Sympathetic nervous system gets activated in emergencies/stress condition and it prepares body to fight, flight and fright.
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