Correct Answer: Option D
Explanation:
Phagocytosis ('cell eating') is the process by which cells like macrophages and neutrophils engulf solid particles, including pathogens, by extending pseudopodia to form a phagosome, which fuses with lysosomes for degradation. Pinocytosis is 'cell drinking', uptake of fluid. Exocytosis is secretion. Dialysis is artificial separation. Phagocytosis is a key innate immune defense.
This question belongs to:
Science
Biology
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