The functions of antibodies include
A) activating complement, inactivating pathogens, and clumping pathogens.
B) activating macrophages, stimulating mast cells, and increasing the white blood cell count.
C) creating a warm and swollen area near the site of infection, which harms the pathogens.
D) causing B cells to bind to T cells, forming clumps that are visible to the immune system.
A) activating complement, inactivating pathogens, and clumping pathogens.
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