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BIOLOGY TOPIC 11 ANIMAL PHYSIOLOGY (HL)
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Question:
What is the process of phagocytosis? (5)
Author: Sammy UniverseAnswer:
Phagocytic leukocytes enter tissue in response to an infection (extravasation) damaged tissues release histamaine = draws WBC to infection (chemotaxis) pseudopodia surround pathogen and fuse to form vesicle fuses w lysosome = phagolysosome = digested antigens are present on phagocyte which is destroyed w antibodies
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