Immune System 1
Immune System 2
Immune System 3
Immune System 4
Immune System 5
100

The system that protects our bodies from germs like bacteria or infection.

What is the immune system?

100

Neutrophils, macrophages, and lymphocytes

What are 3 types of white blood cells?

100

Can germs live on surfaces for a long time?

Yes

100

True or False: When bacteria and viruses infect the body, they reproduce so the infection continues. 

True

100

You should get plenty of this at night to help keep your immune system healthy.

What is sleep?

200

The first layer of defense against infection.

What is skin?

200

Bacteria and viruses are known as

Germs, microbes, pathogens

200

True or False: Some germs are breathed in as they float through the air?

True

200

A weak virus that is injected into the body for the immune system to fight against.

(Hint: You get these at some doctor's visit and they hurt)

What is a vaccine?

200

You should eat this kind of food to help keep your immune system healthy.

What is healthy foods?

Vegetables, fruits, water

300

This spongy substance is found inside bones and produces red blood cells, platelets, and white blood cells.


Bone marrow or lymph nodes

What is bone marrow?

300

Most of these prokaryotic cells are harmless, or even helpful, but some can make you sick like e. coli.

What are bacteria.

300

These cells remember the germs so that when they enter the body again, they are ready to fight them off.

Hint: Their name starts with an M

What are memory cells?

300

A dangerous immune response to a safe substance.

Example: Someone eats breathes in pollen and their eyes star to water or they get a runny nose. 

What are allergies?

300

You should move this a lot to also help keep your immune system healthy

What is regular exercise.

400

We do this frequently to keep our skin clean to prevent the spread of germs.

What is wash our hands?

400

Unlike bacteria, these aren't technically alive because they can't reproduce. 

What are viruses?

400

This is what happens when germs enter the body and cause problems.

What is an infection. 

400

These are small organs found at the back of the throat.

When you get a sore throat, these can swell up and hurt  when you swallow food or liquids. 

What are tonsils

400

These are y-shaped proteins made by certain white blood cells. These help fight infection and prevent tat germ from infecting the body again. 

Antibodies or Probodies

What are antibodies?

500

Cells that come from your bone marrow and kill germs.

What are white blood cells?

500

True of False: Germs are everywhere

True, a doorknob can have millions of germs on it. 
500

Glands that collect and eliminate bacteria and viruses.

(Hint: These are the police stations of the immune system)

What are lymph nodes?

500

This organ is located just above the heart behind the sternum (breastbone) and produces T-cells.

Thymus or Spleen

What is the thymus?

500

This is the largest internal organ of the immune system and contains the largest amount of immune cells. Its main job is to act as a filter for your blood.

The spleen or bone marrow

What is the spleen?