3 ms·
It's 420 parts per MILLION. You exhales even more than that.
by bioinformatics 5y ago
It's 420 parts per MILLION. You exhales even more than that.
- Smaug123 5y agoOne would certainly hope that your exhaled breath contains a higher concentration of carbon dioxide than is present in the ambient air! For it to be lower, your lungs would have to be somehow removing CO2 from the air, which doesn't sound much like what mammals do; for it to even be exactly equal, you would have to not be emitting CO2.