How does carbon monoxide, a poisonous gas emitted by automobiles, prevent transport of oxygen into the body tissues ?
A. By destroying haemoglobin.
B. By forming a stable compound with haemoglobin.
C. By obstructing the reaction of oxygen with haemoglobin.
D. By changing oxygen into carbon dioxide.
Answer:B
How does carbon monoxide, a poisonous gas emitted by automobiles, prevent transport of oxygen into the body tissues ?
A. By destroying haemoglobin. B. By forming a stable compound with haemoglobin. C. By obstructing the reaction of oxygen with haemoglobin. D. By changing oxygen into carbon dioxide.