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dybincka [34]
3 years ago
9

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

Health
1 answer:
AnnyKZ [126]3 years ago
4 0
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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