Multiple choice general knowledge science & technology

Which of the following blood cells fight infection?

  1. Red Blood Cells

  2. White Blood Cells

  3. Platelets

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

White blood cells (leukocytes) are the primary components of the immune system responsible for defending the body against infectious diseases and foreign materials. Red blood cells carry oxygen, and platelets are responsible for blood clotting.

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