Defend against infection

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Biology

GCSE Biology

WJEC

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6 Terms

1
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Defence - skin

Stops microbes getting into body - dead skin and microbes make pathogens hard to establish on skin

2
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Defence - Platelets

Stops microbes getting into body body through cut - clot blood and form scab

3
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Defence - White Blood Cells

Defend against microbes inside body

4
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How do white blood cells defend against microbes? - 1

Phagocytes ingest bacteria

5
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How do white blood cells defend against microbes? - 2

Lymphocytes produce antibodies to inactivate bacteria and viruses

6
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How do white blood cells defend against Microbes? - 3

Lymphocytes produce antitoxins that counteract toxins released by bacteria