If Mr. Getz is in cardiac arrest, why will CPR alone not sustain his life?

If Mr. Getz is in cardiac arrest, why will CPR alone not sustain his life? If Mr. Getz is in cardiac arrest, CPR alone will not sustain his life as CPR is a combination of chest compressions and rescue breaths that when performed helps ones body maintain circulation at a low level.

Explanation:

answer; the above is a (true) statement;