Question

Which statement is true regarding sympathetic nervous system :-

Answer 1

Explanation:

It accelerates the heart rate but constricts the cutaneous blood vessels. It relaxes the anal sphincter but dilates all blood vessels of body.

Sympathetic nervous system: A part of the nervous system that serves to accelerate the heart rate, constrict blood vessels, and raise blood pressure. The sympathetic nervous system and the parasympathetic nervous system constitute the autonomic nervous system.

Answer 2

Answer:

Sympathetic nervous system: A part of the nervous system that serves to accelerate the heart rate, constrict blood vessels, and raise blood pressure. The sympathetic nervous system and the parasympathetic nervous system constitute the autonomic nervous system.