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