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Choose the Best Answer · Q10

Q.Living in the atmosphere of CO is dangerous because it

(a) Combines with O₂ present inside to form CO₂
(b) Reduces organic matter of tissues
(c) Combines with haemoglobin and makes it incapable to absorb oxygen
(d) Dries up the blood
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Step 1. Carbon monoxide binds with haemoglobin to form carboxyhaemoglobin.

Step 2. This impairs the normal oxygen-transport function of blood -- the haemoglobin bound to CO can no longer carry oxygen -- reducing the oxygen-carrying capacity of blood overall. …

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