UC知道关于吸烟的问题（英文版）,英文好的快进来！急！
来源：百度知道 编辑：UC知道 时间：2024/06/20 09:56:07
2.Hoe does nicotine and carbon monoxide(CO) affect the flow of blood?
3.What part of the body is most affected by tar?
4.How does cigarette smoking affect the respiratory system?
5.What is meant by“dependence”on a drug?
6.List some diseases of the cardiovascular and respiratory systems that can result from smoking.
7.What is“ involuntary smoking ”and state the two sources?
8.Why is involuntary smoking dangerous to a non-smoker?
1.Explain the term “stimulant”.
解释术语"stimulant"
答:A stimulant is a drug which increases the activity of the sympathetic nervous system and produces a sense of euphoria or awakeness. Stimulants can be used as recreational drugs, or therapeutically to increase alertness. They are also used and sometimes abused to boost endurance and productivity as well as to suppress appetite.Examples of stimulants are caffeine, nicotine, amphetamines, and cocaine.
2.How does nicotine and carbon monoxide(CO) affect the flow of blood?
尼古丁和一氧化碳是如何影响血液流动的?
答:Nicotine and
carbon monoxide are primarily responsible for these effects through the stimulation of a rapid release of adrenaline, the "fight or flight" hormone.”“Medical Consequences of Smoking” Liberty Science Center Nicotine has another compounding effects. It increases cardiac output,by causing the heart to beat faster. As a result, a greater volume of
blood is pumped around t