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the parts and processes of the body that recognise and fight pathogens, such as viruses and...

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when the body makes its own antibodies when deliberately exposed to a dead or weakened pathogen...

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drugs that are used to suppress the immune system to prevent tissue rejection.

consists of commands, e.g. Come here! Run away! See also sentence types: command.

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one in which the individual producers (or group of producers) or consumers can influence the...

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