Right. The CO2 in your breath is toxic. We wow talking about CO2.
Yes and that's why you breathe it out. To prevent CO2 levels from building in your body = my point.
-
-
This Tweet is unavailable.
-
Yes, to exchange CO2 for O2. I'm not going to explain cellular respiration to you. You have totally changed topics now.
End of conversation
-
-
-
This Tweet is unavailable.
- 1 more reply
-
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.