|
Organ |
Parasympathetic |
Sympathetic |
|
Pupil of Eyes |
Constricts |
Dilates |
|
Salivary glands |
Watery secretion |
Secretion of mucus |
|
Heart |
Reduces heart rate |
Increases heart rate |
|
Arterioles and veins |
N/A |
Dilate and constrict |
|
Lungs |
Bronchioles constrict |
Bronchioles dilate |
|
Digestive system |
Increases digestion |
Decreases digestion |
|
Pancreas |
Increase enzyme secretion, and increases insulin secretion |
Decrease enzyme secretion, and inhibit insulin secretion |
|
Adrenal medulla |
N/A |
Secretes catecholamines (adrenalin, noradrenalin) |
|
Kidney |
N/A |
Secretion of renin (salt uptake) |
|
Bladder |
Releases urine |
Retention of urine |
|
Fat tissue |
Store energy as fats |
Breakdown of fats |
|
Male and female sex organs |
Stimulation |
Orgasm |
|
Lymphoid tissue |
N/A |
Inhibits |
|
Emotion |
Parasympathetic |
Sympathetic |
|
Survival emotions (Fear, disgust, anxiety) signal to the body that our well-being may be at risk. |
Survival emotions increase sympathetic activity. |