HELLOTHEREFRIEND1234 HELLOTHEREFRIEND1234

03-02-2021
Health

contestada

Explain what are shields/body protection for the immune system.

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tyrrell19 tyrrell19

03-02-2021

The skin is the first ‘shield’ for the immune system as it acts as a barrier to harmful substances that try to enter our body. Shields are just ‘defence mechanisms’ that stop harmful pathogens from getting in the immune system and harming us

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