name the two types of disease on caused by by some external agents and other due to some internal disorder of the body. mention various causetive ahents . how these type of diseases be prevented
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pneumoconiosis and other lung diseases caused by external agents
HIV caused by virus and Anthrax caused by bacteria r caused by internal agents
diseases can be prevented by
1 safe drinking water
2 proper disposal of wastes
3 control of vectors
4 having a strong immune system
5 taking a proper balance diet
HIV caused by virus and Anthrax caused by bacteria r caused by internal agents
diseases can be prevented by
1 safe drinking water
2 proper disposal of wastes
3 control of vectors
4 having a strong immune system
5 taking a proper balance diet
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