Question

Name the two division of autonomic nervous system in man ?
What are there effect on
i) blood
ii)urinary bladder .

Answer 1

The autonomic nervous system has two branches: the sympathetic nervous system (Adrenergic system) and the parasympathetic nervous system (cholinergic system).

Effect of sympathetic system on
1. Blood vessels: Dilate in skeletal muscle (in animals) whereas Constricts in gastrointestinal organs
2. Urinary Bladder:Increases renin secretion;constricts sphincter and relaxes urinary bladder

Effect of parasympathetic system on
1. Blood vessels:none
2. Urinary Bladder :tenses urinary bladder and relaxes sphincter to eliminate urine