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8 Cards in this Set
- Front
- Back
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The first line of defence is the ________
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skin and mucous membrane
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What is the enzyme found in tears, saliva and mucous membrane of the respiratory tract?
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Lysozyme
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When skin is damaged, a blood clot is formed, what is the name of the substance which forms the clot?
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Fibrin
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The skin has a slippery substance, which makes the ph acidic on the skin. What is the substance called?
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Sebum
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What is the function of platelets?
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To form fibrin, this in turn forms a mesh which traps red blood cells and invading microorganisms.
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What is 'microflora'?
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The group of microorganisms which live on the body without causing any ill effects.
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What do phagocytes do?
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They engulf the invading microorganisms and digests them
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what areas of the body have mucous membrane?
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In the respiratory tract, in the digestive system, in the vagina
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