Contains the proper nutrients that your body needs to thrive and grow.
Answer: The heart consists of four chambers, two atria (upper chambers) and two ventricles (lower chambers). There is a valve through which blood passes before leaving each chamber of the heart. The valves prevent the backward flow of blood.
Answer:
True
Explanation:
A general approach is to stop CPR after 20 minutes if there is no ROSC or viable cardiac rhythm re-established. After multiple cycles of compression without results could cause injury to the victim, therefore you should call emergency services.
