Tue April 01, 2014 By: Ram Chandra

function of autonomic nervous system

Expert Reply
Wed April 02, 2014
Autonomic nervous system is divided into sypathetic and parasympathetic nervous system.
The functions of sympathetic nervous system include-
(i) Helps in blood flow to lungs and various parts of the body.
(ii) Dilates pupils and relaxes ciliary muscles.
The functions of parasympathetic nervous system include-
(i) Causes constriction of the pupil and contraction of the ciliary muscle to the lens.
(ii) The parasympathetic nerves dilate blood vessels leading to the gastrointestinal tract.
Home Work Help