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Just wondering if their is a maximum time a person could survive solely on air provided by another person giving them mouth-to-mouth. I've read a little on the subject, and it seems like there is enough oxygen left in a person's exhalations to keep someone alive for as long as mouth-to-mouth is required, but I just wanted to make sure.
Wiki says there is about 17% oxygen content in an exhaled breath since the the body only uses about 4 of the 21% oxygen in the air.
Wiki says there is about 17% oxygen content in an exhaled breath since the the body only uses about 4 of the 21% oxygen in the air.