chrisaether chrisaether

11-05-2017
Biology

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When foreign material enters the body, one way the immune system responds is by

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Ash1Diaz Ash1Diaz

11-05-2017

The Digestive System

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JustAddWater JustAddWater

11-05-2017

Pathogens may enter you but there is a layer (almost like a wall) that they will have to get through first (in the skin) bacteria can also kill pathogens. The immune system will produce antibodies that will also kill off pathogens.

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