Examlex
If a cable news channel decides to report on a senator's financial indiscretions rather than report on a piece of congressional legislation that failed to pass, that news channel is practicing which of the following?
White Blood Cells
Cells of the immune system that defend the body against both infectious disease and foreign materials.
Macrophages
Macrophages are a type of white blood cell part of the immune system that engulfs and digests cellular debris, foreign substances, microbes, and cancer cells in a process called phagocytosis.
Natural Killer Cells
A type of lymphocyte (white blood cell) that plays a crucial role in the body's innate immune response by attacking cells infected with viruses or transformed by cancer.
Memory Cells
Immune cells that are formed following an initial immune response and remain in the body, ready to mount a faster and more effective response upon re-exposure to the same antigen.
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