If we breathe out carbon dioxide why does CPR work?
In: Biology
One thing everyone is missing is that in cases of asphyxiation your lungs rely on the presence of CO2 to help trigger a breath. If your lungs are full of N2 or He for example you simply stop breathing and die.
CPR helps with circulation of blood and will help revive. In a lot of cases chest compressions alone will help save the life of heart attack victims.
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