Which statement correctly describes haemoglobin’s affinity for the gases carbon dioxide, carbon monoxide and oxygen?
- Ahighest affinity: carbon monoxide; middle affinity: carbon dioxide; lowest affinity: oxygen
- Bhighest affinity: carbon monoxide; middle affinity: oxygen; lowest affinity: carbon dioxide
- Chighest affinity: oxygen; middle affinity: carbon dioxide; lowest affinity: carbon monoxide
- Dhighest affinity: oxygen; middle affinity: carbon monoxide; lowest affinity: carbon dioxide