1. Sympathetic Nervous System VS
Sympathetic Nervous System VS. Parasympathetic Nervous System By: Peggy Welch and Diane Shelton

2. Divisions of Nervous System

3. Autonomic Nervous System

4. ACTION Video

5. The Autonomic Nervous System
Possible Scenarios?
The Autonomic Nervous System
Structure
Sympathetic Stimulation
Parasympathetic Stimulation
Iris (eye muscle)
Pupil dilation
Pupil constriction
Salivary Glands
Saliva production reduced
Saliva production increased
Heart
Heart rate and force increased
Heart rate and force decreased
Lung
Bronchial muscle relaxed
Bronchial muscle contracted
Stomach
Peristalsis reduced
Gastric juice secreted; motility increased
Small Intestine
Motility reduced
Digestion increased
Large Intestine
Secretions and motility increased
Liver
Increased conversion of glycogen to glucose
Kidney
Decreased urine secretion
Increased urine secretion
Bladder
Wall relaxed Sphincter closed
Wall contracted Sphincter relaxed

6. Sources
Biocomtech [Internet]. [accessed 2009 July 8]. Available from:
Available from:
The automic nervous system [Internet]. [accessed 2009 July 8]. Available from: