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 foreign substance that causes the body to make antibodies
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antibodies
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erythrocyte
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leukocyte
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lymphatic
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antigen
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Explanation:
Detailed explanation-1: -An antigen is any substance that causes your immune system to produce antibodies against it. This means your immune system does not recognize the substance, and is trying to fight it off. An antigen may be a substance from the environment, such as chemicals, bacteria, viruses, or pollen.
Detailed explanation-2: -In general, two main divisions of antigens are recognized: foreign antigens (or heteroantigens) and autoantigens (or self-antigens). Foreign antigens originate from outside the body.
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