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Differentiated reading passages of the effects of smoking on the respiratory system

How Is Smoking Dangerous for Health?
Cigarettes contain lots of harmful chemicals, and
over time these poisons can cause all types of health
problems. It can cause coughs, breathing problems
and much more serious illnesses, such as cancer. In
fact, scientists have found 70 substances in cigarettes
that have been linked to causing cancer

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Written by Gavin Thomas

Worksheet on the a model of the respiratory system