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9966 [12]
3 years ago
8

White blood cells work by recognizing invading pathogens by their surface fragments, called __________.

Biology
1 answer:
Kazeer [188]3 years ago
3 0

Answer:

white blood cells that systematically envelop and kill pathogens such as bacteria, viruses, and fungi, worn-out body cells, and cells that have become cancerous. their surface fragments, called antigens, literally antibody generators.

Explanation:

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