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Addictive Habits

Which of the ...

Question

Which of the following chemicals are present in tobacco?

A

Nicotine

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B

Benzene

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C

Hydrogen cyanide

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D

All of the above

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Solution

The correct option is D
All of the above

Tobacco contains more than seven thousand chemicals such as nicotine, benzene, and hydrogen cyanide. About 70 of these chemicals are carcinogens. Smoking tobacco reduces the diameter of the blood capillaries and prevents the diffusion of oxygen into the tissues.

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