That means cells are cranking out carbon dioxide, so they must be using (and needing) lots of oxygen (in other words, the cells are at a high rate of metabolism).
(they; must be using; ) (they; needing; lots of oxygen (in other words, the cells are at a high rate of metabolism)) (the cells; are; at a high rate of metabolism) (That; means; cells are cranking out carbon dioxide, so they must be using (and needing) lots of oxygen) Context(That means,List([0, 10))):(cells; are cranking out; carbon dioxide)
That means,List([0, 10))
they they the cells That cells
must be using needing are means are cranking out
lots of oxygen (in other words, the cells are at a high rate of metabolism)
at a high rate of metabolism
cells are cranking out carbon dioxide, so they must be using (and needing) lots of oxygen
carbon dioxide