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the immue system yr9

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The Immune system
1. What is the immune system?
2. How many lines of defence are there?
3. What are the lines of defence?
4. What does the third line of defence do?
5. Explain what antibiotics are and how they work.
6. List some example of an antibiotics.
7. How did the discover penicillin
Research Task.
Use the internet to answer the following questions.
1. Why is it important to maintaining a stable temperature inside
body.
2. What temperature should your body be?
3. What pH level should your body be?
4. What are infectious diseases? Provide an example
5. What are non infectious disease? Provide an example.
6. What are some measures we can take to reduce the spreading of
infectious disease?
7. Why is it important we take these safety measures?
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