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2 votes
The chemical in cigarettes that prevents oxygen from getting into the bloodstream is:

A. tar
B. nicotine
C. carbon monoxide
D. all of the above

User Nachodd
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2 Answers

7 votes
Its B Nicotine . When smoking a cigarette the nicotine gets into the bloodstream causing oxygen from preventing.
User George Wilson
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3 votes
It's B. nicotine. It's very harmful to your health.
User Syclone
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