Thanks to sustained public health campaigns, most people understand that smoking carries significant risks. As a result,

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Thanks to sustained public health campaigns, most people understand that smoking carries significant risks. As a result, rates of smoking have declined over the past few decades. However, rates of smokeless tobacco

(that is, chewing tobacco and snuff) have remained the same. This phenomenon is due to a widespread belief that Smokeless tobacco is safer than smoking.

Questions

1. What dangerous components of tobacco are present even when it is not burned?
2. Smokeless tobacco contains nicotine. What are the effects of nicotine on the cardiovascular system?
3. The components of tobacco get into the bloodstream even if they are not inhaled.
How do materials in the organs of the digestive system, such as the mouth, stomach, and intestines, get into the blood?
4. Reflect on your answers to questions 1–3 and explain why the statement in bold above sounds right, but isn’t.

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Biology Science For Life With Physiology

ISBN: 9780134555430

6th Edition

Authors: Colleen Belk, Virginia Maier

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