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What happens when carbon monoxide enters the bloodstream?

AIt helps cells bind to oxygen more effectively.

BIt causes cells to produce more energy.

CIt makes it difficult for the body's cells to bind to oxygen.

DIt is converted into harmless carbon dioxide.

Answer:

C. It makes it difficult for the body's cells to bind to oxygen.

Read Explanation:

  • Carbon monoxide (CO) is a colourless, odour less gas produced by the incomplete combustion of carbonaceous fuels such as wood, petrol, coal, natural gas and kerosene in simple stoves, open fires, wick lamps, furnaces, fire-places.

  • The predominant source of carbon monoxide (CO) in ambient air is from motor vehicles.

  • Carbon monoxide diffuses across the lung tissues and into the bloodstream, making it difficult for the body's cells to bind to oxygen. This lack of oxygen damages tissues and cells.

  • Exposure to carbon monoxide can cause difficulties in breathing, exhaustion, dizziness, and other flu-like symptoms.


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