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Immune System

7th Grade: Immune System

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
Created by: Cabrini