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Sympathetic Nervous System (fight or flight)
- Location: Thoracic and Lumbar regions of spinal cord
- Preganglionic fibers are SHORT
- Releases Acetylcholine (Ach)
- LONG postganglionic fiber
- Releases Noradrenaline/Norepinephrine
Parasympathetic Nervous System (rest and digest)
- Location: From cranial and sacral areas of CNS
- Preganglionic fibers are LONG
- Releases Acetylcholine (Ach)
- Postganglionic fiber is VERY SHORT
- Releases Acetylcholine (Ach)
SIMILARITIES
- Most visceral organs innerverted by both symphathetic and parasympathetic fiber
- In general, produce opposite effect in a particular organ
- Dual innervation of organ by both branches of ANS allows precise control over organ's activity
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- Science Mind Map on Enter text here, created by syaizz rin on 05/12/2018.
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- syaizz rin
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