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  4. Carbon monoxide can kill a person because of it's extremely high affinity for

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Q. Carbon monoxide can kill a person because of it's extremely high affinity for

Breathing and Exchange of Gases

Solution:

Carbon monoxide combines with $Hb$ far more readily than $O_2$ ($CO$ has about $200$ times greater affinity for $Hb$ as compared to $O_2$), forming a relatively stable compound carboxyhaemoglobin. This causes low supply of $O_2$ to the body cells leading to headache, nausea, dizziness, paralysis and even death.