The Video lecture from Gaseous Exchange (F.Sc. First Year Biology) covers the Transport of respiratory gases i.e. Oxygen and Carbon dioxide. It discusses how haemoglobin combines with oxygen and carbon dioxide to form oxyhaemoglobin and carboxyhemoglobin molecule. It also discusses various factors which affect the capacity of haemoglobin to combine with respiratory gases. 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