When viruses or bacteria enter our bodies, the cells of the immune system (often called &quot;white blood cells&quot;) work together to destroy the invaders.
(viruses or bacteria; enter; our bodies) (the immune system; called; T:often) (the cells of the immune system; work together; to destroy the invaders; T:When viruses or bacteria enter our bodies) Context(the cells of the immune system work together,List([43, 132))):(the cells of; quot; T:often) Context(the cells of the immune system work together,List([43, 132))):(the cells of the immune system; work together to destroy; the invaders)
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viruses or bacteria the immune system the cells of the immune system the cells of the cells of the immune system
enter called work together quot work together to destroy
our bodies
T:often
to destroy the invaders T:When viruses or bacteria enter our bodies
T:often
the invaders