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8 Cards in this Set
- Front
- Back
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Germs
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Microscopic organisms that cause communicable diseases
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Pathogen
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A fancy word for germ, disease causing organism
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Virus
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the smallest and simplest of disease-causing organisms that can only grow inside living cells.
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Bacteria
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This germ consists of a single cell, similar to plants, which reproduce by dividing in two.
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Fungi
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One or many celled primitive plants found in moist, warm places.
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Protozoa
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a one-celled organism, similar to animals, which can only live where there is water (salt or fresh water).
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Immune System
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The body's defense against disease
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white blood cells
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blood cells that surround the germs and destroy them
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