Compare The Function Of The Sympathetic And Parasympathetic Division Of The Autonomic Nervous System

Question 1

What is the sympathetic nervous system?

Answer 1

It’s a component of the peripheral nervous system and it’s used to stimulate fight or flight mode. It’s excitatory

Question 2

What is the parasympathetic nervous system?

Answer 2

It’s a component of the peripheral nervous system and it’s used to stimulate rest and digest. It’s inhibitory

Question 3

What happens to the body during the stimulation of the sympathetic nervous system?

Answer 3

• dilation of pupils
• vasodilation of the coronary arterial system
• relaxation of smooth muscles in bladder
• ejaculation in men
• inhibition of mucus secretion of salivary gland in buccaneering.
• urine formation in kidney
• reduced gastric and intestinal peristalsis
• increased heart rate
• glandular secretions in sex organs

Question 4

What happens to the body when parasympathetic nervous system is stimulated?

Answer 4

• contraction of pupils, bladder wall and trachea
• erections
• relaxation of the vesical and intestinal sphincter
• heart rate decreases
• enhances secretion of tears, saliva, gastric and pancreatic juices, bile and urine
• enhanced gastric and intestinal peristalsis