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3.04 Sympathetic and Parasympathetic

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by

courtney aviles

on 22 July 2014

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Transcript of 3.04 Sympathetic and Parasympathetic

Chart it!
Photos
Parasympathetic Nervous System
Sympathetic Nervous System
Stimuli is fear
What are the differences?
Sympathetic
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Anatomy and Physiology
3.04 Sympathetic and Parasympathetic
By Courtney Aviles

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This prepares your body for an emergency or to react to a stressful situation.
Parasympathetic
=
This part is responsible for bringing the body back to a state of equilibrium.
Sympathetic nerve impulses can increase your heart rate, constrict your arteries to increase blood pressure, or even dilate your pupils to increase sensory input from your eyes.
It slows the heart rate and decreases the release of hormones into the blood stream.
Eye
Sweat
glan
Heart
Blood
vessels
Lungs
Gastro-
intestinal
tract
Fat cells
Sympathetic
Parasympathetic
Dilates pupil
Stimulates secretion
Increases heart rate
Constricts to increase
blood pressure
Increases respiration
Inhibits movement
(slowing digestion)
Stimulates hydrolysis of fat cells
Constricts pupil
No effect
Decreases heart rate
Dilates to decrease blood pressure
Deceases respiration
Stimulates movement
No effect
Digestion will stop!
Pupil dilate
Sensory neuron
postganglionic motor neuron
preganglionic motor neuron
!
cranial nerve ganglia
Digestion begins
Pupils constrict
Body
Heart rate goes down
your body calms down

Stimuli
Sensory neurons
Interneuron
Preganglionic motor neurons
Ganglia
postganglionic
moto neurons
Effector Organ
CNS
Stimuli
Sensory neurons
Interneuron
Preganglionic motor neurons
Ganglia
postganglionic
moto neurons
Effector Organ
CNS
Full transcript