👉 White blood cells, or leukocytes, are specialized to fight infections quickly. In a heartbeat-pounding rush, they migrate from bloodstream to battle zones, engulfing bacteria and viruses with precision.
👉 White blood cells, or leukocytes, are specialized to fight infections quickly. In a heartbeat-pounding rush, they migrate from bloodstream to battle zones, engulfing bacteria and viruses with precision.
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