Blood tests on people who regularly smoke cigarettes show that approximately 5% of their haemoglobin carries carbon monoxide.
People who smoke e-cigarettes inhale a vapour with no carbon monoxide. A person who smokes
cigarettes regularly, switches to e-cigarettes and a blood test is carried out after a month.
Which chemical in the blood would be found in a lower concentration in this blood test?
1 )
carbaminohaemoglobin
2 )
carbonic anhydrase
carboxyhaemoglobin
4 )
hydrogencarbonate ions
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