BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS
LYMPHATIC SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A(n) ____ is a very small pathogen that invades and reproduces inside other cells and is usually spread through contact with body fluids.
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bacteria
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virus
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fungus
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protozoa
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Explanation:
Detailed explanation-1: -Infection occurs when viruses, bacteria, or other microbes enter your body and begin to multiply. Disease, which typically happens in a small proportion of infected people, occurs when the cells in your body are damaged as a result of infection, and signs and symptoms of an illness appear.
Detailed explanation-2: -Viruses are the smallest common pathogen. They are so small in fact that many of them actually infect bacteria.
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