The answer is
A. Hand washing
The nervous system is the most important body system and the heart is the most important muscle
Personally, I would say it is C but I'm not 100% sure
Answer:
Explanation:
If you have cardiac arrest because the heart is very slow or is stopped, shocking it will not help.” An automated external defibrillator (AED) is a portable electronic device that works to restore the heart's normal electrical activity and get the heart beating again.
