the immune system internal defence |
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| navigate by keyword : alert anatomy antibody antigen bacteria blood body cancer care cell danger death effective engulf health help human immune immunity infect infected ingest innate invader killer macrophage memory parasite particle phagocytes plasma protect rejection remember scan security suppressor system tumour vessel virus warning weapons white |
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| Process by which certain living cells called phagocytes ingest of engulf cells or particles. Your body can then produce the most effective weapons against the invaders T-cell recognise and kill virus infected cells directly. |
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