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1 When we have a cold a virus has entered our bodies. Our bodies react by coughing
PLACE MUFFIE
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*sneezing and having a runny
nose to get rid of the virus. However, because the virus
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is a living thing it also tries to survive and reproduce. A good way of doing this is
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In this way,
to spread itself by making the *host cough, sneeze and have a runny nose.
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both our bodies and the virus
od smellow of
diseases caused by viruses or
cure us of diseases.
benefit. 2)This example shows us that the symptoms of
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bacteria are often natural reactions that are designed to
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