Submitted by Enocli t3_yia9a5 in askscience
Moonandserpent t1_iuj1yht wrote
Reply to comment by tinybabymoose in How do white blood cells know in which direction there is a bacteria? by Enocli
Nice! My "educated" guess answer was something like "chemical breadcrumbs," good to see I'm at least partially correct!
[deleted] t1_iujmcab wrote
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