Answer:
depends on what training you have had in CPR-
used to be, you did 30 compressions, then 2 breaths, then repeat.
now, many trainings have eliminated the rescue breaths and just do compressions.
either way, you continue until EMT arrives or you are too exhausted to continue.
The answer to your questions young sir is suprise and fear.
The answer is <span>C) bone marrow, muscle, and the brain</span>
