On prolonged exposure to high concentration of carbon monoxide (> 5000 – McqOptions

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1.	On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because
A.	of clotting of blood.
B.	of jamming of respiratory tract.
C.	it forms carboxyhaemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen.
D.	it forms CO2 by combining with oxygen present in the blood.
Answer» D. it forms CO2 by combining with oxygen present in the blood.

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