101635
| Frage | Antworten |
| we have different defences to stop us catching pathogens, we have skin antibodies acids white blood cells | pathogens are microorganisms |
| bacteria is living cells and virues are not and are smaller | bacteria reproduce rapidly and damage your cells and produce toxins viruses copy themselves by invading cells and resulting them to burst and causing the cell to be damaged and making you ill |
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