7.Human Health and Disease
normal

Smoking increases ______ content in blood and reduces the concentration of haembound oxygen. Fill the blank suitably

A

Carbon dioxide

B

Carbaminohaemoglobin

C

Carbon monoxide

D

Carboxylic acid

Solution

When the smoke is inhaled into lungs, $CO$ is rapidly absorbed into blood stream and it binds to the
haemoglobin in the red blood cells $200$ times more effectively than oxygen does.

Standard 12
Biology

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