Question

Explain how oxygen is loaded, transported and unloaded in the blood. ( 6 marks)

Accepted Answer

1. Haemoglobin carries oxygen / has a high affinity for oxygen / oxyhaemoglobin;

2. In red blood cells;

3. Loading / uptake/association in lungs;

4. at high p.O2 ;

5. Unloads / dissociates / releases to respiring cells / tissues;

6. at low p.O2 ;

7. Unloading linked to higher carbon dioxide (concentration);

Front	Explain how oxygen is loaded, transported and unloaded in the blood. ( 6 marks)
Back	1. Haemoglobin carries oxygen / has a high affinity for oxygen / oxyhaemoglobin; 2. In red blood cells; 3. Loading / uptake/association in lungs; 4. at high p.O2 ; 5. Unloads / dissociates / releases to respiring cells / tissues; 6. at low p.O2 ; 7. Unloading linked to higher carbon dioxide (concentration);

Oxygen High P.O2 Explain Loaded Transported Unloaded Blood