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TobaccoBelow is a free term papers summary of the paper "Tobacco." If you sign up, you can be reading the rest of this term papers in under two minutes. Registered users should login to view this term paper.
Tobacco comes from the tobacco plant, nicotiana tobacum. Leaves of the plant may be smoked, inhaled in form of snuff, or chewed. Tobacco smoke contains about 4000 chemicals. Many of them (nicotine, tar, and carbon monoxide) are very harmful. Effects of Smoking Nicotine is a stimulant (substance that speeds up body activities) which increases the heartbeat and raises blood pressure. Nicotine causes the arteries to narrow, which places stress on the circulatory system. Cigarette smoke contains many tiny particles. When they form a sticky brown substance called tobacco tar. Tar builds up in the lungs of a smoker. Carbon Monoxide is a poisonous gas in cigarette smoke. When inhaled, it replaces... This is not the end of the termpaper! Register below to see the complete version of this term paper.
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