BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS
LYMPH NODES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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micro-organisms that cause disease
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pathogen
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antigen
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -Infectious diseases are diseases caused by microorganisms. These are microscopic organisms, such as bacteria, viruses, fungi, or parasites.
There is 1 question to complete.