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        Autonomic Nervous System | Crash Course A&P 13

        Take a tour of the two–part autonomic nervous system. This episode explains how your sympathetic nervous system and parasympathetic nervous system work together as foils, balancing each other out. Their key anatomical differences–where nerve fibers originate and where their ganglia are located–drive their distinct anatomical functions, making your sympathetic nervous system the "fight or flight" while your parasympathetic nervous system is for "resting and digesting."

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