Untitled Flashcard

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What is the immune system?

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The system that protects your body from dangerous pathogens.

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What are pathogens?

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Germs, viruses, and parasites that can cause disease.

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What is a toxin?

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A dangerous substance produced by pathogens that can damage healthy tissue.

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How do pathogens infect the body?

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They can reproduce inside and outside of a host.

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What does the immune system help protect us from?

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Pathogens.

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What are the two main types of pathogens?

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Infectious agents such as bacteria and viruses.

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What role do white blood cells play in the immune system?

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They help fight off infections and protect the body from pathogens.

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What is an antigen?

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A substance that triggers an immune response.

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What is the difference between active and passive immunity?

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Active immunity is developed through exposure to pathogens, while passive immunity is acquired from another source.

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What is vaccination?

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A method to stimulate the immune system to develop immunity against specific pathogens.