Assertion: circulatory system | /r/MadeOf | central pump
Facets:
value: around a closed system of tubes
type: OTHER
value: in all vertebrates
type: OTHER
Source sentences:
text: In all vertebrates the circulatory system consists of a central pump, the heart, which drives a liquid transport medium, the blood, continuously around a closed system of tubes, the vascular system.
text: See also: Homeostasis In all vertebrates, the circulatory system (Fig. 5) consists of a central pump, the heart, which drives a liquid transport medium, the blood, continuously around a closed system of tubes, the vascular system.