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Go find out! - making war on germs!

keeping; safe; go; find; out; germs; immune; system; spleen; immunisation; hygiene;

We can avoid many things which may harm us because we can use our senses - seeing, hearing, touching, smelling and tasting.

However there are some dangers which are so tiny that we don’t even know they’re there. Germs!

Some of these germs are bacteria [say bak-tee-ree-a] which are in the air, water, and the world all around us.

Some of them – ‘good’ bacteria - actually live in our bodies or on our skin and they may keep bad bacteria from growing enough to make us sick. These good bacteria are part of our immune system.

Your immune system

What a good thing that our bodies know all about germs and can defend us from many of the germs which could harm us. Look at the topic The Immune System to find out how.

immune system





 Now try this quiz to see how much you remember.

See if you can find the missing words.

a.. There are different kinds of --------
b.. We get some immunity from germs from our ------- before we are born.
c.. Immunisation helps our bodies fight against some --------.
d.. The first line of defence against germs is our ----.
e..  Lymph carries ----- blood cells around the body.
f..  ---- in your stomach digests food and kills germs.
g.. Your immune system knows which cells belong to your body and a------ cells which do not.


Your spleen

One important part of the immune system is the spleen. It works hard to make some of the white blood cells which fight against bacteria and viruses that can make you sick.  the spleen 

It does other jobs as well. Click here to find out more. The spleen

Now have a go at this quiz.

True or false

  1. The spleen is a part of the immune system of the human body.
  2. The spleen is part of the human skeleton.
  3. It stores unwanted red blood cells.
  4. It makes some types of white blood cells, which protect the body from infections.
  5. Angry people have a large spleen.



“Oh, my nose is running and I feel’ yucky’” maybe it’s a cold or it could be ‘flu. Well there are other things which can cause a runny nose and lots of other things which could make you feel ‘yucky’.

Fortunately clever doctors and scientists are working away to stop some of the nastier germs from making us sick. Nowadays you can be immunized against getting many of the nasties which led to large numbers of children in the past getting very sick. It’s a way of helping your body’s immune system in its fight to keep you healthy.


Our topic on Immunisation – keeping safe from diseases will tell you more.

Now try this quiz.

See if you can fit these words into their right place into the text.

school, infection, muscles, diseases, wars, immune 

  1. Immunisation (say im-you-ny-zay-shun) means putting a special type of substance (a vaccine) into your body so that your body can learn how to fight an ---------.
  2. Medical scientists study -------- and work out ways of killing the germs which cause them, Then they can try to make vaccines.
  3. Your body's ------ system will recognise that these vaccines do not belong in your body, and will work out how to get rid of them.
  4. An injection will usually be given in your arm, near your shoulder. It does hurt a little bit, but it will be very quick. If you can relax your ------- it does not hurt as much.
  5. More people have died from diseases like measles than ever were killed in ----.
  6. Children have immunisations against measles, mumps, rubella and chicken pox when they are 12 months old, and just before they start ------.

Check the topic about Immunisation again if you are not sure of the answers.

Personal hygiene

Do you wash your hands before you eat? Do you look after your teeth, feet, hair and skin? Are you nice to be near? Can how you look after your body help stop some infections?

Our topic on Personal hygiene - taking care of your body gives you some tips on how to look after yourself without it costing a fortune.

Now do this quiz to see if you know more about hygiene.

  1. Little kids don’t smell as much as big kids.
  2. You should clean your teeth night and morning after meals.
  3. You should have a shower once a week.
  4. You don’t need to wash your hair every day.
  5. Bacteria feed on sweat and dead skin on your underclothes.
  6. You should wash your feet every day.
  7. Your body sweats more after puberty.
  8. You should air your shoes and school uniform every day after school so that they will smell fresher the next day.
 body odour

Now check the answers to see if you are right




Immune system
Bacteria, mothers, diseases, skin, white, acid, attacks

The spleen
True, False, False, True, False

Personal hygiene
True, true, false, true, true, true, true, true

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We've provided this information to help you to understand important things about staying healthy and happy. However, if you feel sick or unhappy, it is important to tell your mum or dad, a teacher or another grown-up.


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