The Video lecture from Gaseous Exchange (F.Sc. First Year Biology) covers the Transport of Carbon dioxide. It discusses how haemoglobin combines with carbon dioxide to form carboxyhemoglobin molecule. It also discusses the carbon dioxide concentration in arterial and venous blood. Find more e-learning material and educational video lectures in Urdu at maktab.pk. These videos are free to use for promotional and commercial purpose by keeping the credits to Maktab.