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| an unhealthy condition of the body or mind. |
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| a disease that spreads form person to person. |
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| results when germs invade the body, multiply, and cause harm to the body cells. |
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disease-causing organisms and viruses that are so small that they can only be seen through a microscope.
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| microoragisms and viruses that can cause disease |
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| Physical and Chemical Diseases |
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Definition
-Skin
-Mucous membranes
-Cilia
-Saliva and Tears
-Digestive System |
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| is your body's general response to all kindfs of injury, from cuts and scrapes to internal damage. |
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| blood, other fluids, and white blood cells. |
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| fights diseas by producing a seperate set of weapons for each kind of pathogen. |
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| is your body's ability to destroy pathogens that it has previously encountered before the pathogens are able to cause disease |
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| help your immune system remember pathogens. this memory capacity along with the memory capacity of B cells, is what causes you to develope immunity to a previously encountered pathogen |
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| Destroy any body cell that has been infected by a pathogen |
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| produce chemicals that stimulate other T-cells and B-cells to fight off infection |
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| produce chemicals that "turn off" other immune system cells when an infection has been brought under control |
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| are proteins that attach to the surface of pathogens or the toxin from harming the body |
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| is a network of vessel that collects fluid from your tissues and returns it to the bloodstream |
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| immunity acquired by recieving antibodies from a source that one own immune system is called passive immunity |
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| results from either havin a disease or recieving a vaccine |
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| contain small amounts of dead or modified pathogens or their toxins |
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| The First Line Of Defense |
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Definition
-Skin and mucous membranes
~skin covers
outside of body.
~mucous
membranes
cover the inner parts
such as your throat , nose, and mouth. |
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