Page 33 - 新思维科学学生用书6 样章

1 The human body

1.4 Diseases

We are going to:

• find out about types of living things that cause diseases

• find information about diseases

• find out how our body stops us from getting infectious diseases
• find out about things we can do to prevent diseases from spreading

• group methods to prevent diseases

• draw a dot plot of results
• learn how to avoid being bitten by insects.

Getting started

Write down the answers to the questions,

then discuss your ideas with a partner before
sharing them with the class.

1 The boy in the picture has chicken pox.
Have you ever had chicken pox or any

other similar disease?
2 What were the signs that you were ill?

3 Chicken pox is an infectious disease.

What does this mean?

barrier mucus

defences parasite
host repellents
hygiene vectors

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