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The First line of defense in the immune system A( block pathogens from entering block B( KIll infected cells C( Send signals to increase immune cell formation D( kill the pathog…

The First line of defense in the immune system A( block pathogens from entering block B( KIll infected cells C( Send signals to increase immune cell formation D( kill the pathog…
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19 votes
The First line of defense in the immune system

A( block pathogens from entering block
B( KIll infected cells
C( Send signals to increase immune cell formation
D( kill the pathogen

asked
User Mickburkejnr
by
7.9k points

1 Answer

3 votes
I think it’s A blocking pathogen from entering block
answered
User Hang Chen
by
8.0k points
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