Leadership, Citizenship Leisure Ed. Nicotine is a liquid that is naturally found in the tobacco plant. As a stimulant, it is powerfully addictive . When it enters your bloodstream, your arteries constrict and the blood platelets become sticky and cluster. Once in the blood, nicotine penetrates the cell linings of the respiratory tract, and it travels to the brain and throughout the rest of the body.
Nicotine causes the heart to beat faster, which then increases blood pressure.
If tobacco is chewed or snuffed, it mixes with saliva and gets into blood by being absorbed through the lining of the mouth, stomach and intestines. It then travels to the nervous system. Chemicals such as arsenic, formaldehyde, ammonia and tar are also found in tobacco. Some of these are known carcinogens you know stuff that causes cancer . Reports show that for tobacco companies to keep the industry profitable, they must attract 2 million new smokers each year.