157 videos|397 docs|239 tests
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1. What are some common human diseases? | ![]() |
2. How are infectious diseases transmitted? | ![]() |
3. What is the role of vaccines in preventing diseases? | ![]() |
4. Can non-communicable diseases be prevented? | ![]() |
5. What are the symptoms of a heart attack? | ![]() |
157 videos|397 docs|239 tests
|
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