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Which describes how the body’s immune system works?
Lymph nodes produce antibodies that kill pathogens and protect against future infections.
White blood cells, called lymphocytes, destroy pathogens and protect against future infections.
Red blood cells, or T cells, multiply pathogens and create more infection.
White blood cells, or B cells, multiply pathogens and create more infection
The correct answer is: White blood cells, called lymphocytes, destroy pathogens and protect against future infections.
Which pathogens do antibiotics kill?
bacteria
viruses
vaccines
flu
Antibiotics primarily kill bacteria. They are not effective against viruses, vaccines, or the flu.
The lymphatic system collects fluid from body tissues and returns it to the_____.
bloodstream
digestive system
immune system
skin