How does carbon monoxide emitted by automobiles prevents transport of oxygen in the body tissues ?

Options

A. By changing oxygen into carbon dioxide
B. By destroying the haemoglobin
C. By forming a stable compound with haemoglobin
D. By obstructing the reaction of oxygen with haemoglobin

Answer

C

Explanation

Carbon monoxide when inhaled combines with haemoglobin more rapidly than oxygen. It blocks the oxygen transport by forming stable compound carboxyhaemoglobin. Its prolonged inhalation may lead to death.