7th Grade: Immune System
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| these cells are the first ones to fight invaders | phagocytes
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| stick to the pathogen so they can be quickly and easily destroyed | antibodies
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| this is where T cells and B cells are created and trained | thymus
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| these cells create antibodies | B cells
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| Send out a chemical that lets the other cells know what pathogen has invaded the body | T cells
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| After pus forms, these arrive to destroy the invaders | macrophages
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| What are the two main types of immunity? | active and passive
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| Which type of immunity only last for a short time? | passive immunity
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| What do scientists call an organism or virus that causes disease? | pathogen
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| Which type of immunity can last for years and sometimes life? | active immunity
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| What are four major types of pathogens? | bacteria, fungi, protist, virus
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| What is the name of the disease we studied that attacks the T cells of the immune system? | HIV
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| Is it possible to spread HIV by hugging someone with HIV? | no
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| Is it possible to get HIV if the blood of a person with HIV gets into your blood? | yes
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| Which body system helps destroy pathogens that enter? | immune system
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| What are three barriers that try to stop pathogens from entering the body? | skin, breathing passages, mouth/stomach
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| Can your body destroy every pathogen that enters? | No
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| Can HIV be cured? | No
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| Do people with HIV have to take medicine for the rest of their lives? | yes
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