So the black curve now shifts this way. And what that means is before this is how much CO2 was actually stored in the blood. But now this is how much CO2 can be stored in the blood. So we have less CO2 that can be stored and dissolved in the blood. Now, if we can dissolve CO2 in the blood, where can the CO2 go? Well, the only place it can actually go is into the alveoli of the lungs.