It powers the circulatory system, pumping a constant supply of blood throughout the body.
(It; powers; the circulatory system) Context(It powers,List([0, 9))):(It; powers the circulatory system pumping; a constant supply of blood; throughout the body)
It powers,List([0, 9))
It It
powers powers the circulatory system pumping
the circulatory system
a constant supply of blood throughout the body