I think the answer is 3 and 4
I thinking like its 2,4,5
Answer: by the y
Explanation:
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It is Harmful because if the organism is used to their environment and something changes your body is not going to function right
The correct answer is (c) discover antigens in body fluids.
B lymphocytes act as antigen presenting cells that recognizes and displays the antigen to the white blood cells. These cells process the antigens that are present in body fluids. Professional antigen presenting cells includes B-lymphocytes, macrophages, dendritic cells, etc.
