General Science • BiologyMedium
What is the process by which white blood cells engulf foreign particles and pathogens called?
A. Pinocytosis
B. Phagocytosis✓ Correct Answer
C. Exocytosis
D. Osmosis
💡 Solution & Explanation
Phagocytosis is a specialized cellular mechanism wherein white blood cells engulf and digest large foreign bodies, dead cells, and invading pathogens. Pinocytosis involves cellular drinking of extracellular fluid, whereas exocytosis describes the expulsion of materials out of the cell.
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