Science, asked by tcs527899, 3 months ago



Asthma, bronchitis,
emphysema and lung
cancer are diseases of the
respiratory system.
Tobacco smoking is
directly responsible for
many lung cancer,
emphysema and
bronchitis cases as
tobacco smoke contains
many toxic and
cancerous substances.
With the help of the
Internet, find out what
these diseases are and
their effects on the body.​

Answers

Answered by ankitadas5878
0

Answer:

Why don't you find it yourself using books and internet..

Answered by rameshchandrasoni149
0

Answer:

what is your question l can't understand....

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