How Smoking Affects the Body

How Smoking Affects the Body

  • Submitted By: Sarc
  • Date Submitted: 03/05/2009 11:21 AM
  • Category: Science
  • Words: 557
  • Page: 3
  • Views: 1

RESEARCH PAPER QUESTION

“DISCUSS HOW SMOKING WITH SPECIFIC REFERENCE TO NICOTINE AND ITS CARCINOGENIC PROPERTIES CAN CAUSE DAMAGE TO THE LUNGS AND DECREASE THE CARRING CAPACITY OF OXYGEN TO THE BLOOD.”

Smoking is the act of breathing in and exhaling the fumes of burning substances. Millions of people around the world have been smoking for many years and they are many different substances that people smoke, such as tobacco and marijuana. They are all dangerous to the body.

These substances cause damage to all of the systems in the body, increasing the risk of people developing cancer and many other diseases. The most common are cigarettes of which they are many different brands. People become addicted to them because of certain ingredients which cause them to have cravings.

Cigarette smoke contains over four thousand different chemicals most of which are toxic, the most harmful to the body are:

|Nicotine |Free radicals |
|Tar |Metals |
|Carbon Monoxide |Radioactive compounds |
|Hydrogen Cyanide |Methane |

Nicotine is the main ingredient in tobacco that acts on the brain. It is naturally a colorless liquid that turns brown when exposed to air. It is a very powerful poison and is the basic ingredient in many insecticides.

When people inhale cigarette smoke, nicotine enters the body through the mouth and nose where it is drawn into the lungs, enters the blood stream and is pumped to the heart and the brain. In less then eight (8) seconds it then triggers the cells in the brain to increase the release of the hormone...

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