FireteamAccount t1_iydhvh6 wrote on November 30, 2022 at 4:23 PM

Reply to comment by LemmeKermitSuicide in How is O2 introduced to blood in the alveoli? by LemmeKermitSuicide

Passive diffusion requires no added energy. The difference in oxygen concentration on either side of the wall is all the chemical potential energy required.

threegeeks t1_iydmsoj wrote on November 30, 2022 at 4:55 PM

Does that mean it's iron-ic...

Sorry, that just popped into my head.

Neat chapter on oxygen transport over on NLM: https://www.ncbi.nlm.nih.gov/books/NBK54103/