Immune System Basics
This body system is a network of organs, white blood cells, proteins, and chemicals that protects you from getting sick.
What is the immune system?
This organ, the body’s largest, keeps germs from getting into the body.
What is the skin?
This type of immunity is the protection you were born with.
What is innate immunity?
A virus cannot do this on its own, so it has to enter human cells.
What is reproduce (make copies of itself)?
This protein made by white blood cells finds and destroys specific germs.
What is an antibody?
Name 3 of the 5 types of invaders your immune system protects you from.
What are bacteria, viruses, fungi, parasites, and cancer cells?
The inner linings of some organs make this sticky substance that traps germs.
What is mucus (mucous membranes)?
You develop this type of immunity after being infected or vaccinated, and it usually lasts a long time.
What is active (adaptive) immunity?
This disease spreads through the air and causes fever, cough, red eyes, and a rash.
What is measles?
When a lot of people in a community are vaccinated, it creates this type of protection for everyone.
What is herd (community) immunity?
Besides protecting you from getting sick, the immune system also does this for wounds and injuries.
What is promoting healing?
These cells patrol through your blood vessels looking for foreign invaders.
What are white blood cells?
This type of immunity happens when you receive antibodies instead of making them yourself.
What is passive immunity?
This illness infects the nose, throat, and lungs, and its viruses change over time.
What is influenza (the flu)?
These cells stay ready in your body so it can respond faster the next time the same germ comes back.
What are memory cells?
Name 2 of the 3 everyday habits that can strengthen your immune system.
What are eating nutritious foods, exercising, and getting more sleep?
The spleen, tonsils, lymph nodes, and bone marrow all belong to this system.
What is the lymph (lymphatic) system?
A mother giving her newborn baby antibodies is an example of this type of immunity.
What is passive immunity?
The common cold spreads in these two ways.
What are respiratory droplets and close contact?
This type of vaccine uses a weakened form of the pathogen, while this other type uses a killed one.
What are live-attenuated and inactivated vaccines?
Before it attacks anything, the immune system must first tell the difference between these two kinds of cells.
What are cells that are yours and cells that don’t belong to your body?
The lymph system’s organs and tissues do these 3 things with white blood cells.
What are produce, store, and carry them?
Passive immunity only lasts about this long.
What is a few weeks or months?
Put these steps of a viral infection in order: makes copies, attaches to a cell, enters the body, spreads to more cells, gets inside.
What are: enters the body, attaches to a cell, gets inside, makes copies, spreads to more cells?
This type of vaccine gives your cells instructions ot make an antigen.
What is an mRNA vaccine?