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7nadin3 [17]
3 years ago
15

How does the immune system protect our body from diseases? Mention the 3 lines of defenses

Biology
1 answer:
Flura [38]3 years ago
3 0
The system make a wall and what ever gets pass it dies but not all of it dies that is how we get sick

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    -its still to be most likely C.
                      Hope this helps.
if you have any other questions please contact me here at Brainly.com and I will be happy to help.
                                         -Diane

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