The body's white blood cells use free radicals to destroy foreign bacteria.
(The body's white blood cells; use; free radicals; to destroy foreign bacteria) Context(The body 's white blood cells use,List([0, 32))):(The body's white blood cells; use free radicals to destroy; foreign bacteria)
The body 's white blood cells use,List([0, 32))
The body's white blood cells The body's white blood cells
use use free radicals to destroy
free radicals to destroy foreign bacteria
foreign bacteria