A complex of anatomical structures that performs a common function.
(Slot-Cardinality Body-System _System 1)
(=> (Body-System ?Self)
(And (Exists (?A)
(And (Prime-Component-Of ?Self ?A) (Organism ?A)))
(Exists (?B) (And (Component ?Self ?B) (Body-Part ?B)))
(Exists (?C)
(And (Embodies ?Self ?C) (Physiologic-Function ?C)))))