Fill in the blanks.
1. Scurvy is caused by the deficiency of ______.
2. Malaria is transmitted by _____ mosquitoes.
3. Goitre is caused by the deficiency of ______.
4. A vector is a ______ of disease.
5. Antibodies are produced in response to the presence of ______ in the body.
6. Vaccines give _____ against diseases.
7. Tobacco contains an addictive substance called ______.
8. Sharing needles for injections spreads the virus called ______.
9. A person who gets a deep cut may need to be given a ______ vaccine.
10. _____ and _____ are insects whose venom commonly causes allergic reactions.
Answers
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Answers:
1. Vitamin C
2. Anopheles
3. Iodine
4. transmitters
5.foreign bodies
6. protection
7. nicotine
8. Hepatitis
9. tetanus
10. wasps, honeybees...
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