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CBSE Class 12-science Answered

What bad effect has tobacco on respiratory system? Name two toxic substances present in tobacco.
Asked by Topperlearning User | 11 Jun, 2014, 11:37: AM
answered-by-expert Expert Answer

Tobacco smoke causes inflammation of bronchi called bronchitis and inflammation of lung alveoli called emphysema.

Two toxic substances present in tobacco are nicotine and carbon monoxide.

Answered by | 11 Jun, 2014, 01:37: PM
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