5 Questions
[Blank] causes addiction and it is a stimulant that increases the rate of heartbeat.
Nicotine
The harm caused by smoking is slow to occur, but it is ______ and deadly at the end.
gradual
Carbon monoxide produced from the burning of the tobacco reduces the availability of ______ in the blood.
oxygen
Figure 7.6 illustrates the lungs of ______ and non-smoker.
smoker
Passive smokers (inhaling of smoke from other people's cigarette) have a great risk of a ______.
cancer
Study Notes
The Dangers of Cigarette Smoking
- Smoking causes gradual and deadly harm over time.
- Tobacco in cigarettes contains many toxic chemicals.
Harmful Effects of Nicotine
- Nicotine causes addiction.
- Nicotine is a stimulant that increases the rate of heartbeat.
- Nicotine causes narrowing of the blood vessels, leading to increased blood pressure.
Harmful Effects of Tar
- Tar causes cancer.
- Tar causes irritation of the respiratory passages.
- Tar leads to continuous coughing, destroying lung cells.
Harmful Effects of Carbon Monoxide
- Carbon monoxide is produced from burning tobacco.
- Carbon monoxide reduces the availability of oxygen in the blood.
Risks of Passive Smoking
- Passive smokers (those who inhale smoke from other people's cigarettes) have a high risk of cancer.
Learn about the harmful effects of cigarette smoking, including the toxic chemicals in tobacco, nicotine addiction, and the risks of cancer and respiratory problems.
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