carbon monooxidehas greater afffinity for haemoglobin as compare to oxygen
Haemoglobin bind and transport the oxygen to each and every part of the body. But the carbon monoxide has 210 time greater affinity for the haemoglobin. Hence, when there are both oxygen and carbon monoxide. It is carbon monoxide, which bind with the haemoglobin. Which result in the symptoms of the carbon monoxide poisoning.