What is the role of haemoglobin in the transport of oxygen in the bloo

1.	What is the role of haemoglobin in the transport of oxygen in the blood?
Answer» 1. Haemoglobin is a respiratory pigment present in cytoplasm of RBCs. About 97% of oxygen is transported by these haemoglobin molecules from lungs to tissues. 2. Haemoglobin has a high affinity for Oa and combines with it to form oxyhaemoglobin. One molecule of Hb has four FeT, each of which can pick up a molecule of oxygen (O₂ ). Hb + 4O₂ → Hb (4O₂) 3. Oxyhaemoglobin is transported from lungs to the tissues where it readily dissociates to release O₂ . Hb (4O₂ ) → Hb + 4O₂ 4. In the alveoli where PPOa is high and PPCO₂ is low, oxygen binds with haemoglobin, but in tissues, where PPO₂ is lower and PPCO₂ is high, Oxyhaemoglobin dissociates and releases O₂ for diffusion into the tissue cells.

What is the role of haemoglobin in the transport of oxygen in the blood?

Answer»

1. Haemoglobin is a respiratory pigment present in cytoplasm of RBCs. About 97% of oxygen is transported by these haemoglobin molecules from lungs to tissues.

2. Haemoglobin has a high affinity for Oa and combines with it to form oxyhaemoglobin. One molecule of Hb has four FeT, each of which can pick up a molecule of oxygen (O₂ ). Hb + 4O₂ → Hb (4O₂)

3. Oxyhaemoglobin is transported from lungs to the tissues where it readily dissociates to release O₂ . Hb (4O₂ ) → Hb + 4O₂

4. In the alveoli where PPOa is high and PPCO₂ is low, oxygen binds with haemoglobin, but in tissues, where PPO₂ is lower and PPCO₂ is high, Oxyhaemoglobin dissociates and releases O₂ for diffusion into the tissue cells.

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