Question 1

What is the immune system?

Accepted Answer

The immune system is like a superhero team inside your body. Its job is to fight off germs and keep us healthy.

Question 2

Why is the immune system important?

Accepted Answer

The immune system protects us from getting sick. Without it, tiny invaders like germs could make us feel really bad.

Question 3

What are germs?

Accepted Answer

Germs are tiny little things that can make us sick. They are so small we need a microscope to see them!

Question 4

How does the immune system fight germs?

Accepted Answer

The immune system uses special cells like soldiers to find and attack germs. It works hard all the time to keep us safe.

Question 5

What are white blood cells?

Accepted Answer

White blood cells are the heroes of the immune system. They chase after germs and stop them from making us sick.

Question 6

How do vaccines help the immune system?

Accepted Answer

Vaccines teach the immune system how to fight specific germs. It's like showing the immune system a Wanted poster so it knows which bad guys to watch for.

Question 7

What is a virus?

Accepted Answer

A virus is a type of germ that can make us sick. It needs to get inside our bodies to grow and cause problems.

Question 8

What happens when you catch a cold?

Accepted Answer

When you catch a cold, a virus has entered your body. Your immune system fights it off, which can make you feel stuffy or sneezy until you're better.

Question 9

Why do we get fevers when we're sick?

Accepted Answer

A fever is a sign your immune system is fighting hard. The higher temperature helps fight off bugs.

Question 10

What can we do to keep our immune system strong?

Accepted Answer

Eating healthy foods, getting lots of sleep, and washing your hands can all help keep your immune system strong.

Question 11

Can stress affect the immune system?

Accepted Answer

Yes, too much stress can make the immune system weaker. It's important to relax and have fun to help stay healthy.

Question 12

How does the immune system recognize germs?

Accepted Answer

The immune system has special cells that work like detectives, recognizing when something doesn't belong. Once they find a germ, they attack to keep you safe.

Question 13

What is an allergy?

Accepted Answer

An allergy happens when the immune system thinks something harmless, like pollen or peanuts, is a big threat. It overreacts and causes sneezing or itching when it doesn’t need to.

Question 14

Can animals get sick like humans?

Accepted Answer

Yes, animals have immune systems too and can get sick just like us. Their immune systems help protect them from germs and illnesses.

Question 15

Why don’t we get the same illness twice?

Accepted Answer

The immune system remembers germs it has fought before. So if the germ comes back, the immune system is ready to beat it faster.

Question 16

What are antibodies?

Accepted Answer

Antibodies are like the immune system’s secret weapons. They latch onto germs, making it easier for the immune system to get rid of them.

Question 17

What is the lymphatic system?

Accepted Answer

The lymphatic system is like a network of roads in your body, carrying important immune cells where they’re needed most.

Question 18

What happens when your immune system doesn’t work properly?

Accepted Answer

If the immune system is too weak, you might get sick more often. If it’s too strong, it might attack healthy parts of your body by mistake.

Question 19

Why do wounds become red and swollen?

Accepted Answer

That’s a sign your immune system is doing its job! It’s sending extra blood to the area to help fix and protect the wound.

Question 20

What can I do if I feel sick?

Accepted Answer

It's important to rest, drink water, and tell an adult how you feel. They can help you find out what's wrong and get the care you need.

The Marvels of the Human Immune System - 20 FAQs Explained Simply