The Amazing Immune System

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The Amazing Immune

System!By: ManuelaCortes


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Table of Contents

My Immune System

How Does the Immune System Work?The Importance of my Immune SystemThe Parts of my Immune SystemThe Job of my Immune SystemThe Process that Happens in my Immune SystemEnemies of the Immune SystemKeeping your Immune System HealthyVaccinesDid you know....?ConclusionActivityGlossaryBibliography

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Have you ever wondered what body system keeps you from getting sick? It is

called the immune system! When germs get inside your body, your

system is ready to attack.

immune

My ImmuneSystem

Definitions: Immune: means to be protected.


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Every time you get sick,

millions of

work to get rid of germs.Then special blood cells,

called ,

remember the germs, so

that the next time it

comes, your body willknow how to fight it off

quickly. There is a whole

process that happens in

your immune system,

you will read about it

later on.

How does theImmune

SystemWork?

lymphocytes

white blood cells

Definitions:White blood cells: cells that fight off germs. They

are called white blood cells becuase of theircolor.Lymphocytes: white blood cells that remembergerms and how to fight them off.

A white blood cell


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The Importance

of My ImmuneSystem

Your immune system is very important to yourbodys health and keeping you alive and well.

Without it you would probably get sick every

day. Sometimes, your immune system can

fight off before you even realize you

are sick. You know your immune system is

working if you get better after you are sick.Thank your immune system!

bacteria

The picture shows how your immunesystem defends your body. The

shield represents your immunesystem, which is fighting off thegerms and infections.

Bacteria: infections that get inyour body.


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The Parts of the Immune System

Some of the main parts of the immune system are:white blood cells, ,

and lymphocytes.

FYI:Skin, brain, earwax,stomach acid, mucusand cilia, defend thebody from germsgetting into the body.Lymphocytes, whiteblood cells andlymph nodes work, ifgerms do get insidethe body.

Skin: outside layer of the

body. Brain: an organ in yourhead.Ear wax: wax in your ear.Stomach acid: acids in yourstomach.Mucus: green stuff in yournose.Cilia: are microscopic hairsin your nose.Lymph nodes: carry whiteblood cells.

ear wax, stomach acid, mucus, cilia, lymph nodesskin, brain,


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Every part of the immune system has it's own job. Your skin keeps organsinside your body and germs outside. Your brain has the power to say NO!

to drugs and poisons. It also controls what the immune system does. Your

white blood cells kill bacteria that mess up the work in the immune system.

Earwax keeps germs from getting in through your ears. Stomach acid

works so if you accidentally eat germs, your stomach acid kills them.

Mucus and cilia work together. If you inhale germs through your nostrils,mucus traps them and cilia will push mucus into your nose. Last but not

least, lymph nodes.They carry lymphocytes wherever needed. For

example: if there is a germ in your throat, lymph nodes can easily carry

lymphocytes to the throat so that they remember the germ.

The Job of the Immune System


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The Process that Happens in the ImmuneSystem

Although there are so many parts

that keep germs out, sometimes

germs do get in. Still, your immune

system has a process, so, whengerms do get in,it can fight it off.

Your white blood cells go around the body in blood streams or tissueslooking for germs. When they find a germ, they try to kill it with

chemicals or eat them. Then lymphocytes remember the germ. A lotof times though, there are not enough white blood cells. That is when

your fantastic lymph nodes come to action. The lymph nodes will

carry white blood cells to wherever needed as fast as it can. That way

your immune system can kill germs faster.


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The picture shows a white blood cell,called killer T cellthe body from getting sick on

virus-infected cell, cancer cell and

bacterium-infected cell.

, defendingKiller T cell: a killer

cell that attacks

germs or viruses.


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B cells white blood cells that find bacteria. Once it finds bacteria itare the

helper T cell to activate B cell. Once activated B cell divides in two,waits forplasma cell antibodiesand lymphocytes. Plasma cells produce

Lymphocytes remember the germ.

that attack the

invader.

B cell: cell that

circulates around the

body looking for

bacteria. Helper T cell: helpsactivate B cell and

killer T cell. Plasma cell: cell that

produces antibodies. Antibodies: Molecules

that kill bacteria orgerms.


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Enemies of the Immune System

Usually when a germ gets into your body, yourimmune system does not really get affected. Your

white blood cells fight off the germ. Some may die

in the process of killing it, but it does not harm your

immune system. Sometimes though, there are

illnesses and diseases that can badly affect your

immune system. There are some illnesses yourimmune system can not cure.


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One example is diabetes. Diabetes is a disease in which your bodysugarhandle properly. Everybody has sugar in their blood, since

it is the body's main source of energy. People with diabetes canteat a lot of sugar; but even to people without diabetes, it is still

bad to eat too much sugar.

Fact: sugar is not always

white, it can also be

found in food such as

fruit.

Sugar can be found in fruit.

Diabetes: a disease where

your body can't process

sugar.Sugar: the body's main

source of energy.

can't


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Drugs, poisons, smoking andmany other things can affect

your immune system. But

those are your decisions.

Luckily you have a brain and

a voice to say NO!

AIDS are a very big problem to

your immune system. They are

diseases your immune system

cannot cure, because the disease

makes your immune system stop

working. They can't be cured, not

even with medicines.

Sometimes with the help of

medicines, your immune system

can fight off germs, infections,

viruses and other bad things that

can make you feel bad. For

example, sometimes the doctor

might give you antibiotics to fight

off an infection.


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Keepingyour

ImmuneSystemHealthy

Although you can get sick and get serious

illnesses, diseases and viruses, there are also

ways to prevent and malfunctions

in your immune system. Here are some waysthat you can help your immune system:

infections

1)Do not get stressed. Stress is very bad for yourimmune system.

2)Wash yourhands regularly

to prevent

infections.

3)Eatnutritious

food.

4)Geta lot of

exercis

e.

5)Get enoughsleep. Kids should

usually get 10 or

more hours of sleep

every day.

6)Get regular medical checkups. Infections: an act or fact of infecting;state of being infected.


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Another way to keep yourimmune system healthy is by

getting . Vaccines

are a little bit of germs that

doctors inject into you. Since

your lymphocytes rememberthe germ, if the infection

ever comes to you, your

body remembers how fight it

off.

vaccines

Vaccines: a little bit of germs doctors inject into you.

Vaccines


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Did youknow?

When you get fever

your body is

heating up so

germs don'treproduce.

Vaccines have

cured millions of

people!!

There are trillions

of white blood cellsin your body even

when you are not

sick!

There are friendly

bacteria inside of

you!

The number one

way to boost the

immune system is

to reduce stress.


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The immune system is a very important system. I learned that

the immune system is like a shield, protecting your body from

infections. I learned that the immune system is also really

important so you don't get sick on the same germ every day. I

learned that keeping your immune system healthy, is really

important because that way you are keeping yourself healthyand sickness free. I learned so many new things throughout

the experience, and I hope you did,too.Go immune system!!!

Conclusion


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Activity

Name 3 parts ofthe immune

system:123

What can you do to keep your

immune system healthy?______________________________

Why are

lymphocytes

important?________________________________

What does it mean

to be immune?______________


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GlossaryAntibodies: Molecules that kill bacteria or germs.B cell: cell that circulates around the body looking for bacteria.Brain: an organ in your head.Cilia: microscopic hairs.Diabetes: a disease where your body can't process sugar.Ear wax: wax in your ear.Helper T cell: helps activate B cell and killer T cell. Immune: means to be protected.Infections: an act or fact of infecting; state of being infected.Killer T cell: a killer cell that attacks germs or viruses.Lymph nodes: carry blood cells.Lymphocytes: white blood cells that remember germs and how to fight them off.Mucus: green stuff in your nose.Plasma cell: cell that produces antibodies.Skin: outside layer of the body. Stomach acids: acids in your stomach.Sugar: the body's main source of energy.Tissue: a group of cells working together to perform a function.Vaccines: a little bit of germs doctors inject into you.White blood cells: cells that fight off germs.


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Bibliography

Websites: Cyh.com wordpress.com kidshealth.org dictionary.com

Books:by Alvin Silverstein

by Patricia Macnairby Joanna Cole

by Rita Golden Gelmanby Linda Allison

DiabetesBuilding BlocksCuts, Scraps and ScrapesBody BattlesBlood and Guts

by Alvin Silverstein

by Patricia Macnair

by Joanna Coleby Rita Golden Gelman

by Linda Allison


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The Amazing Immune System

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