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Mention the diseases caused by tobacco smoke.
a. Tobacco smoke contains benzopyrene and polycyclic hydrocarbons, which are carcinogenic, causing .
b. The smoke of tobacco causes the inflammation of the throat and bronchi, leading to the conditions such as bronchitis and .
c. Inflammation of the lung alveoli reduces the surface area for gas exchange, causing .
d. The carbon monoxide present in the tobacco smoke binds to the haemoglobin of RBC. It leads to a decrease in the oxygen-carrying capacity, which causes in the body tissues.
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