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Which of the following protects our body against diseases?

Which of the following protects our body against diseases?

  • (A) White Blood Cells
  • (B) Red Blood Cells
  • (C) Platelets
  • (D) Haemoglobin
White blood cells, also known as leukocytes, are key players of the immune system. They protect the body against disease-causing organisms by finding, combating, and destroying disease-causing bacteria, viruses, and fungi. Some white blood cells, called B-lymphocytes, produce antibodies, which attach themselves to specific disease-causing organisms, whereas other white blood cells, called neutrophils and monocytes, are scavenger cells that engulf and destroy disease-causing organisms.
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Related MCQs:

 ‘NATO’ is an abbreviation of:

March 18, 2026 No Comments
  • (A) North Atlantic Treaty Organization
  • (B) Non-Aligned Treaty Organization
  • (C) Non-Aligned Trading Organization
  • (D) North American Transport Organization

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