Question 1

What is the immune system?

Accepted Answer

The immune system is like a superhero team in our body. It helps protect us from germs that can make us sick.

Question 2

How does the immune system know when there are germs?

Accepted Answer

The immune system can sense when there are bad germs around. It’s like having tiny sensors that alert it when something isn’t right.

Question 3

What are germs?

Accepted Answer

Germs are tiny invaders, like bacteria and viruses, that can make us feel sick. They are so tiny we can't see them without a microscope.

Question 4

How does our body fight germs?

Accepted Answer

Our body sends out special cells to fight the germs. These cells act like little soldiers that attack and destroy the germs.

Question 5

What are white blood cells?

Accepted Answer

White blood cells are part of the immune system, and they help fight infections. They’re like the body’s little fighters that attack germs.

Question 6

Can the immune system remember germs?

Accepted Answer

Yes, it can! Once the immune system fights off a germ, it often remembers it so it can fight it faster if it comes back.

Question 7

What is a vaccine?

Accepted Answer

A vaccine is a medicine that helps prepare our immune system to fight germs. It’s like showing a picture of the germs to train the immune system.

Question 8

Why do we get fevers?

Accepted Answer

A fever is when our body gets hotter to help fight off germs. The heat makes it harder for the germs to grow.

Question 9

What are antibodies?

Accepted Answer

Antibodies are special proteins made by the immune system to fight germs. They help block and destroy the germs.

Question 10

Why is washing hands important?

Accepted Answer

Washing hands helps remove germs we might pick up from surfaces. It stops them from entering our body and making us sick.

Question 11

What happens if the immune system doesn't work properly?

Accepted Answer

If it doesn’t work well, we might get sick more often. The body might not fight off germs as it should.

Question 12

Do colds help make the immune system stronger?

Accepted Answer

Sometimes catching a cold can help the immune system learn about that germ. This way, it can be better prepared for next time.

Question 13

Can stress affect the immune system?

Accepted Answer

Yes, being stressed can make it harder for the immune system to fight germs. It’s important to find ways to relax and stay healthy.

Question 14

How does sleep help the immune system?

Accepted Answer

Getting enough sleep helps our immune system stay strong. During sleep, the body can recharge and be ready to fight germs.

Question 15

Can eating healthy foods help the immune system?

Accepted Answer

Yes, eating fruits and vegetables gives the body nutrients to stay strong. It’s like giving the immune system the tools it needs to fight germs.

Question 16

What are some signs our immune system is fighting germs?

Accepted Answer

Common signs include a runny nose, coughing, or a fever. These mean the body is working hard to get rid of germs.

Question 17

Why do we sometimes get sick even if we have an immune system?

Accepted Answer

Sometimes germs are too strong, or the immune system doesn't know them yet. That’s why it’s important to stay healthy with good habits.

Question 18

What do doctors do to help our immune system?

Accepted Answer

Doctors can give medicines or vaccines to help. They also give advice on how to stay healthy and strong.

Question 19

How do cuts and scrapes affect the immune system?

Accepted Answer

When we have a cut, germs can sneak in. But the immune system rushes to the spot to help heal and fight any invaders.

Question 20

Why do some people have allergies?

Accepted Answer

Allergies happen when the immune system thinks harmless things, like pollen, are dangerous. It tries to fight them, even though they aren’t bad.

The Immune System: How Our Body Fights Off Infections - 20 FAQs Explained Simply