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Sympathetic Nervous System
Usually prepares the organism to deal more effectively with a situation of strife or emergency and controls systems associated with internal organ functions that are involuntary and happen subconsciously.
Often referred to as the 'fight-
- Shunting blood to essential muscles.
- Increasing blood pressure.
- Increasing heart rate.
- Increasing breathing rate.
Enables the body to combat stressful situations.
Some effects created by sympathetic nervous system stimulus:
- Blood to the gut is stopped.
- Dilation of the air passages in lung.
- Dilatation pf the pupils.
- Increased blood glucose levels.
- Increased heart rate.
- Raised hair and goosebumps.
- Reduction of gut motility
- Reduced urine output.
- Shunting of blood to vital organs (blood goes to the; brain, heart, necessary muscles).
- Sweating.