6.9 Effects of Smoking
Chapter 8: Chapter 6 · Bio Zoology · EN medium
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Today due to curiosity, excitement or adventure youngsters start to smoke and later get addicted to smoking. Research says about % of the lung cancer is due to cigarette smoking. Smoking is inhaling the smoke from burning tobacco. There are thousands of known chemicals which includes nicotine, tar, carbon monoxide, ammonia, sulphur– dioxide and even small quantities of arsenic. Carbon monoxide and nicotine damage the cardiovascular system and tar damages the gaseous exchange system. Nicotine is the chemical that causes addiction and is a stimulant which makes the heart beat faster and the narrowing of blood vessels results in raised blood pressure and coronary heart diseases.
📖 Namma Kalvi 11th Bio Zoology Textbook English Medium · Page 111
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Today due to curiosity, excitement or adventure youngsters start to smoke and later get addicted to smoking. Research says about % of the lung cancer is due to cigarette smoking. Smoking is inhaling the smoke from burning tobacco. There are thousands of known chemicals which includes nicotine, tar, carbon monoxide, ammonia, sulphur– dioxide and even small quantities of arsenic.
Carbon monoxide and nicotine damage the cardiovascular system and tar damages the gaseous exchange system. Nicotine is the chemical that causes addiction and is a stimulant which makes the heart beat faster and the narrowing of blood vessels results in raised blood pressure and coronary heart diseases. People at higher level than the sea level are prompted to altitude sickness as the barometric pressure is low in those regions.
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