BIOLOGY IN HUMAN WELFARE
HUMAN HEALTH AND DISEASE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the cause of an infectious disease?
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inherited
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environmental factors
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pathogens
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None of the above
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Explanation:
Detailed explanation-1: -Infectious diseases are disorders caused by organisms-such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They’re normally harmless or even helpful. But under certain conditions, some organisms may cause disease.
Detailed explanation-2: -Pathogenic organisms are of five main types: viruses, bacteria, fungi, protozoa, and worms.
Detailed explanation-3: -Infectious diseases are the diseases caused by various pathogenic microorganisms such as virus, bacteria, protozoan, fungi, and other parasites. These infectious diseases can be transmitted by animals, humans, insects or other agents.
There is 1 question to complete.