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babymother [125]
3 years ago
13

The main function of the lymph nodes is to A. filter bacteria and viruses from the arterial blood circulation. B. produce and se

crete chemicals that recognize disease-causing pathogens. C. guard the body from microorganisms in food and air. D. store immune cells until they're needed.
Health
1 answer:
IRISSAK [1]3 years ago
3 0
A. They serve as filters
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