– If humans breathe in oxygen and exhale CO2, then why does mouth-to-mouth resuscitation work?

Question

– If humans breathe in oxygen and exhale CO2, then why does mouth-to-mouth resuscitation work?

In: 172

Answer 1

The air you exhale contains almost as much oxygen as the air you inhale. There’s enough oxygen in the air you exhale for the person you’re resuscitating to be able to get enough oxygen to stay alive