Good or bad?
Pathogen
Bad - they make you sick
White blood cells OR antibodies
What's inside a vaccine?
A weak pathogen
What is the smallest part of the Immune System?
White Blood Cell
Antibody
Good - they destroy pathogens
Tells your body you are sick.
Antigen
What does your body make when it sees the antigens from the vaccine?
Antibodies
The immune system protects your body from illness.
What organelle is like the immune system (which organelle PROTECTS the cell)
Cell Membrane
Antigen
Bad - they tell your body you are sick
Makes you sick
Pathogen
What is on the surface of the weak pathogen?
Antigens
Name two things that are a part of the immune system.
White blood cells
Antibodies
White Blood Cell
Good - they destroy pathogens
Can destroy one kind of pathogen by connecting to the antigen.
Antibody
When your body sees the same pathogen again after being vaccinated, is it easier or harder to fight it?
Easier.
Why won't you get chicken pox twice?
Because after you get sick the first time, your body already has the ______________________.
Because after you get sick the first time, your body already has the antibodies.
Immune System
Good - this system helps fight illness
Can destroy any pathogen.
White Blood Cell
Billy got vaccinated for the Chicken Pox when he was little. As a grown up, he doesn't have to worry about getting sick with the chicken pox.
What was inside the vaccine?
Chicken Pox Pathogen
Why can antibodies only destroy one kind of pathogen?
Because the antibodies match the ________ of the antigen.
Because the antibodies match the shape of the antigen.