These lesson activities give students an understanding of the different methods of transporting carbon dioxide in the blood, the role of hemoglobin, the enzyme carbonic anhydrase and the Bohr shift. A set of slides introduce the key concepts and these are followed by some questions and model answers. Most (70%) of the CO2 in blood is transported as bicarbonate ions (HCO3-), while 23% is carried in the form of carbamino-hemoglobin....