Instinct for 'fight or flight' may be much older than we thought

PHYSorg
Apr 18, 2024, 9:51 am160 pts
Evidence in lampreys for the presence of a rudimentary sympathetic nervous system, previously thought to be unique to jawed vertebrates, has been presented in Nature. The finding may prompt a rethink of the origins of the sympathetic nervous system, which operates without conscious thought and controls the…

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