Complex sentence: PMID 17273548; The importance of the inflammatory reflex in controlling inflammation establishes the concept that the immune system does not function autonomously, but rather its output is coordinated by physiological units of reflex action.
Split into simpler sentences: PMID 17273548; The importance of the inflammatory reflex in controlling inflammation establishes the concept that the immune system does not function independently. Rather, immunity is coordinated by physiological units of reflex action.