MYP 3 - The Immune System

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What is HIV?

Back

A virus that is transmitted via bodily fluids and attacks the immune system.

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How is the Common Cold transmitted?

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It is transmitted through airborne transmission.

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What is the role of lymphocytes in the immune system?

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Lymphocytes remember and recognize previous invaders.

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What do phagocytes do?

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Phagocytes engulf invading germs.

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What is a macrophage?

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A big cell that surrounds and eats pathogens and informs T-cells about antigens.

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What are antibodies?

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Proteins produced by B-cells that help identify and neutralize pathogens.

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What is the function of T-cells?

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T-cells help coordinate the immune response and kill infected cells.

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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 through antibodies from another source.

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What is an antigen?

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A substance that triggers an immune response, often found on the surface of pathogens.

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What is the role of the immune system?

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To protect the body from infections and diseases.