components of cigarette smoke

Question 1

what are the three components of cigarette smoke?

Answer 1

1. nicotine
2. tar
3. carbon monoxide

Question 2

what are the effects of nicotine on health?

Answer 2

1. stimulant
2. increases heart rate and blood pressure
3. increases risk of blood clotting and coronary heart disease, causes vasoconstriction of arterioles

Question 3

what are the effects of tar on health?

Answer 3

1. contains carcinogens
2. causes lung cancer
3. paralyses cillia and dust particles in mucus lining cannot be removed
4. increased risk of bronchitis and emphysema

Question 4

what are the effects of carbon monoxide on health?

Answer 4

1. binds irreversibly with haemoglobin to form carboxyhaemoglobin, less haemoglobin that can bind with oxygen