Gujarati
Hindi
7.Human Health and Disease
normal

Haemoglobin of the human blood forms a stable complex compound with which of the following gas leading to death?

A

Oxygen

B

Carbon dioxide

C

Carbon monoxide

D

Nitrogen

Solution

$98.5 \%$ of $O_{2}$ is transported by blood with the help of haemoglobin. The molecule of haemoglobin has $250$ times more affinity with $CO$ as compare to $O_{2}$ and thus, prevent $O_{2}$ transport which leads to death.

Standard 12
Biology

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