The immune system

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  • Created by: Megan16B
  • Created on: 23-12-15 15:56
(1) Your immune system fights off what?
Invading microbes
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(2) What does an immune response always involve?
White blood cells
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(3) White blood cells are able to detect things that are what?
Foreign
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(4) What do they do to them?
Engulf the microbes and digest them
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(5)What does another group of white blood cells do?
They attack specific microorganisms
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(6) What do these white blood cells have?
Receptors that recognise particular antigens
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(7) What are antigens?
Antigens are substances that trigger immune responses
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(8) Certain kinds of white blood cells produce what?
antibodies
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(9) What are antibodies?
Antibodies are specific to a particular antigen
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(10) Antibodies latch onto what?
Invading microorganisms
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(11) What do the antibodies do?
They mark the microorganism so other white blood cells can engulf and digest it, they bind to and neutralises viruses or toxins, some even attach to bacteria and kill them directly
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(12) What are the white blood cells called that stay around in the blood after the original infection has been fought off?
Memory cells
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(13) What do memory cells do?
They react very quickly if the same antigen enters the body for a second time. It then produces loads of antibodies nd kill off microorganisms before you become ill
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(14) What is this known as?
Immunity
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Other cards in this set

Card 2

Front

(2) What does an immune response always involve?

Back

White blood cells

Card 3

Front

(3) White blood cells are able to detect things that are what?

Back

Preview of the front of card 3

Card 4

Front

(4) What do they do to them?

Back

Preview of the front of card 4

Card 5

Front

(5)What does another group of white blood cells do?

Back

Preview of the front of card 5
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