A-LevelBiologyGas exchange9700/12 · Oct/Nov 2014 · Q321 Mark
Which are effects on the body of carbon monoxide in tobacco smoke? 1 It reduces the amount of haemoglobin available to transport oxygen. 2 It reduces the rate of diffusion of oxygen from the alveoli into the blood. 3 It inhibits the release of oxygen from haemoglobin.
A1, 2 and 3
B2 and 3 only
C1 only
D3 only
✓ Correct answer
C: 1 only
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