- Joined
- Apr 7, 2017
- Messages
- 6,789
- Reaction score
- 7
That is why Cystic Fibrosis is a cruel disease...pretty surreal if you think about breathing and respiration in detail
waste co2 always going out, fresh o2 coming in keeping every cell in the body going.
like you can't willfully hold your breath for so long either. try it. your urge to breathe overrides your conscious corticol control!