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03.04 Sympathetic and Parasympathetic Nervous Systems

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by

Nicole Illesca

on 27 September 2014

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Transcript of 03.04 Sympathetic and Parasympathetic Nervous Systems

03.04 Sympathetic and Parasympathetic Nervous Systems
What was that loud sound?
Stimuli: Fear
Nerve impulses:
Sensory neuron
Interneuron in CNS
Preganglionic Motor Neuron
"Gang"-lionic chain
Postganglionic Motor Neuron
Effector Organs:
- Heart rate increases
- Eyes dilate
- Digestion stops
Sympathetic Pathway
Parasymptathetic Pathway:
Ah... it was just my cat!
Nerve Impulses
Sensory
Neurons
Interneuron in CNS:
Preganglionic Motor Neuron
Cranial Ganglia
Postganglionic Motor Neuron
Effector Organs:
- Digestion resumes
- Heart rate slows down
- Pupils constrict
By: Nicole Illesca
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