Page 123 - Primary Five Science
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11. Explain how immunization helps a person to prevent
sickness.
12. What s the difference between anti bodies and antigens
13. What is cholera?
14. How can (3 ways) cholera be prevented in our communi-
ty?
15. Mention 3 diseases for which dehydration is a common
consequence.
16. Outline the steps taken to make ORS.
17. Mention any 3 disease carrying vectors (insect or other
animals).
18. Mention 3 ways how we can prevent diseases in our
community
