5381860
Description
Flashcards by Lavina Railton, updated more than 1 year ago
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Created by Lavina Railton
almost 8 years ago
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| Question | Answer |
| what is a pathogen? | the two main types are: bacteria and viruses |
| In what two ways can bacteria make you ill? | it can damage you cells and produce toxins (poisons) |
| what three things stop a lot of micro-organisms getting inside your body? | your skin, hairs and mucus in you respiratory tract |
| what are the most important cells in the defence system? | the white blood cells |
| what do white blood cells produce to lock onto and kill invading cells? | they produce antibodies |
| what are the three steps in which the defence system | 1) it consumes them 2) its produces Antibodies 3) It produces Antitoxins |
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