<prompt> In presence of Halden effect, CO2 uptake is 2 ml 100 ml of blood in aeries, what will be CO2 uptake in absence of Haldone effect in veins ?2 ml100 ml of blood4 ml100 ml of blood6 ml100 ml of blood8 ml100 ml of blood  <response>: Ans. is b i.e., 4 ml100 ml of blood 