COVID-19 | Last Active: Apr 29, 2020 | Replies (23)
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@merpreb Very good article but I don't see where it says you are not breathing in CO2, even when breathing correctly — in through the nose, out through the mouth. If you are breathing in exhaled air, isn't that primarily CO2? I guess I'm just confused. 🤷🏻♂️
Thanks for any helpful elaboration.