Discussion
Which of the following white blood cells act as scavengers when they engulf and digest pathogens?
Answer: A
Correct answer: Macrophages
Macrophages are the body’s scavengers: they engulf microbes, dead cells and debris, digest them in lysosomes, and then display fragments of what they have eaten to T cells. B and T cells are lymphocytes and do not phagocytose.
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