Which term refers to white blood cells that defend against disease?

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Multiple Choice

Which term refers to white blood cells that defend against disease?

White blood cells, or leucocytes, are the cells in blood that defend the body against infection and disease. They identify invading pathogens like bacteria and viruses and respond in various ways—some swallow and destroy invaders (phagocytosis), while others produce antibodies or coordinate the immune response. That’s why leucocytes are the term for these disease-fighting cells. In contrast, thrombocytes are platelets that help with clotting, erythrocytes are red blood cells that carry oxygen, and plasma is the liquid part of blood that transports cells and proteins.

White blood cells, or leucocytes, are the cells in blood that defend the body against infection and disease. They identify invading pathogens like bacteria and viruses and respond in various ways—some swallow and destroy invaders (phagocytosis), while others produce antibodies or coordinate the immune response. That’s why leucocytes are the term for these disease-fighting cells. In contrast, thrombocytes are platelets that help with clotting, erythrocytes are red blood cells that carry oxygen, and plasma is the liquid part of blood that transports cells and proteins.

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