The Immune System

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Pathogen

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A disease-causing agent (Examples: viruses, bacteria, parasites)

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The proteins that stick out of the cell membrane that enable the immune system to identify self versus non self. AKA = ID tags

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Antigens

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Vaccine

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An injection of a dead or weakened pathogen

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The first line of defense in the immune system that is non-specific includes

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cilia and mucus

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Proteins created by your immune system that identify antigens (ID tags) and target cells to be destroyed

AKA = Security Guards

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Antibodies

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An individual who cannot receive vaccines depends on the rest of the population to be vaccinated to protect them from getting an infectious disease. This is known as

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herd immunity

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The third line of defense in the immune system is

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the specific response

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Long-term immunity resulting from exposure to a pathogen and thus antibodies production is called

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active immunity

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Vaccination is a form of: passive, natural immunity, active, natural immunity, passive, smart immunity, active, artificial immunity

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active, artificial immunity

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Babies receiving antibodies from their mother during embryonic development and/or breastfeeding is a form of

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passive, natural immunity