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CPR

We breathe in oxygen and breathe carbon dioxide. So if you breathe into a person's mouth hoping to revive them, aren't you breathing CO2 into them, which is of no help for them?

by Anonymousreply 5November 23, 2022 2:48 AM

Lol

The human body is not 100% efficient in extracting oxygen from each breath inhaled.

Also, there is a reason why you breath into a bag when hyperventilating.

by Anonymousreply 1November 22, 2022 6:43 PM

[quote] Our body only uses around 5% of the Oxygen that we breath in. As a result, our exhaled breath contains approximately 16% Oxygen. This 16% is more than enough to supply through rescue breathing.

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by Anonymousreply 2November 22, 2022 6:44 PM

bump

by Anonymousreply 3November 22, 2022 10:52 PM

r2 settled that.

by Anonymousreply 4November 22, 2022 10:56 PM

I always wondered about this. Apparently, the action helps get the heart pumping so it will produce oxygen on its own?

by Anonymousreply 5November 23, 2022 2:48 AM
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