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ICSE Class 10 Biology Question 22 of 22

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Question 52

On a winter night, a group of workers slept in a closed room, having a burning furnace to keep themselves warm. Most of them died in their sleep. What is the reason for their fatality?

Answer

Due to deficiency of oxygen in the room, the burning furnace will emit carbon monoxide. This carbon monoxide when inhaled, combines with oxygen to form a stable compound, Carboxyhaemoglobin, which cuts off the supply of oxygen to tissues, leading to death due to asphyxiation.