Biology Report on Smoking and its health effects on the circulatory system includes reference list.

INTRODUCTION The effects of nicotine and smoking are harmful to the physiology of the human body. The ingredients in cigarette smoke cause negative effects to the body and can eventually result in death. EFFECTS OF NICOTINE ON BRAIN Nicotine has direct effects on the brain, which proves that it is an addictive agent. From nicotine the brain develops a certain level at which nicotine is required so that the brain can continue receiving pleasure. This …

…Wales: The Spinney Press -"Long Term Effects on Tobacco Smoking" (Online) (retrieved via Internet 2003, March 12) http://www.yieldireland.com/smoking.htm -"Nicotine and the Brain" (Online) (retrieved via Internet 2003, March 4) http://student.biology.arizona.edu/honors96/group7/studies.htm -"Nicotine as an Addictive Agent" (Online) (retrieved via Internet 2003, March 4) http://ash.org.papers/h1.htm -"What is Nicotine?" (Online) (retrieved via Internet 2003, March 4) http://quitsmoking.com/info/articles/nicotine/index.htm