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By Imandie and Maria

By Imandie and Maria. Contents. 3. Organs of the Immune System 4. What does it do? 5. What could go wrong with it? 6. What do you need to do to keep it healthy and working properly? 7. When infections are most dangerous 8. Bibliography 9. Glossary. Organs of the Immune System.

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By Imandie and Maria

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  1. By Imandie and Maria

  2. Contents 3. Organs of the Immune System 4. What does it do? 5. What could go wrong with it? 6. What do you need to do to keep it healthy and working properly? 7. When infections are most dangerous 8. Bibliography 9. Glossary

  3. Organs of the Immune System These are the organs that make up the Immune system: • Tonsils adenoids • Thymus • Lymph nodes • Appendix • Bone marrow • Lymphatic vessels • Spleen • Peyer’s patches

  4. What does it do? The Immune system is made up of cells, proteins, tissues, and organs, which protects the body against germs and micro organisms every day. The Immune system protects the body from getting illnesses such as bacteria and germs. Leukocytes are released to destroy diseases. Germs Bacteria

  5. What could go wrong with it? The immune system can also cause problems in the body. Sometimes the immune system doesn’t know what it is fighting and it may attack the body instead of the germs and bacteria. Some people have died from this disease. Sometimes the immune system can create a disease which makes it hard to fight. Because the immune system can’t fight itself.

  6. What do you need to keep it healthy and working properly? To keep the immune system working properly you need to eat healthy to build up a good immune function. Immunisation can also prevent diseases by the immune system fighting germs. When you go on a holiday overseas you need to get an inoculation which protects the body from foreign germs.

  7. 3 Levels Of Defence • There are three levels of defence. These are the things that protect your body when you get cut or hurt. These are the three levels of defence: • Level 1. Skin and mucous. • Level 2. Swelling and fever. • Level 3. Internal immune system

  8. When an infection is at it’s greatest

  9. Immune Response • The immune response are the steps to killing an invader. The immune system needs to identify the invader, kill the invader and remember the invader for later. These cells protect your body: • Macrophages: surround invader put a flag to notify the T cells. • T cells: helper cells and tell B cells. • B cells: Produce Y- shaped antibodies to attach to the germ. • K cells: Destroy invader • M cells: Remember the invader for next time.

  10. Bibliography Websites • http://kidshealth.org/ (18/03/14) • http://www.sciencemuseum.org.uk/(18/03/14) and (24/03/14) • http://www.biology4kids.com/files/systems immune.html(18/03/14) Books • How my body works Author: Albert Barlie Publisher: AN ORBIS PLAY & AND LEARN COLLECTION • What make Me Me? Author: Robert Wilson Publisher: Mary Ling

  11. Glossary Leukocytes- White blood cells Paralysed- Unable to move a body part Antibiotics- Is a special medicine made for a particular illness Contagious- Spreading a disease Micro organisms- They are very small cells that you can only see with a microscope. They work alone or in groups.

  12. Thanks For Watching!

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