What do white blood cells do?
They travel through your blood, always looking for germs to attack.
What are macrophages?
Macrophages are large white blood cells that eat germs.
What do we use to be able to see germs?
We use a microscope.
Why is handwashing important?
It is important because germs are everywhere.
What is the job of the B-cell?
B cells make antibodies, special proteins shaped like the letter “Y.”
Name 4 types of germs.
Bacteria, viruses, fungi, and parasites.
What happens to your lymph nodes when you get sick?
When you’re sick, your lymph nodes can become swollen because they’re working hard!
What is the job of a T-cell?
T cells move through the body looking for infected cells.
What does the spleen store?
The spleen stores white blood cells and helps filter your blood.
How can germs enter your body?
Germs can enter your body through the mouth, cuts on skin, your nose, and eyes.