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3.04 Anatomy and Physiology :

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on 25 April 2015

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Transcript of 3.04 Anatomy and Physiology :


3.04
Anatomy and Physiology :
The
Sympathetic
and
Parasympathetic

Nervous Systems

By: Nicole Rodriguez
First things first,
our Peripheral Nervous system is divided into two parts. The first part is the Somatic Nervous system and the other is the Autonomic Nervous system which is further divided into the Sympathetic Nervous system and the Parasympathetic Nervous system.
The Sympathetic Nervous System.
This is the nervous system which affects the entire body. Its job is to prepare the body for "fight or flight" reactions.
Actions such as: Dilating pupils, stimulating secretion in sweat glands, increasing heart rate, increasing blood sugar, increasing respiration and stimulating hydrolysis of fat cells all pertain to the sympathetic nervous system.
The Parasympathetic Nervous System.
This is the nervous systems which, unlike the other, does not affect the whole body at once. Its job is to bring the body back to Homeostasis.
Actions such as: Constricting of the pupils , decrease in heart rate, dilation of the blood vessels to decrease blood pressure, and decreased respiration all pertain to the parasympathetic nervous system.
Overview from lesson!
Overview of the process of the sympathetic nervous system!
Overview of the process of the parasympathetic nervous system!
Full transcript